Halo: The Master Chief Collection

700 achievements

Ultra Rare×417

Very Rare×150

Rare×90

Uncommon×34

Common×9

About Halo: The Master Chief Collection's achievements

Halo: The Master Chief Collection has 700 Steam achievements, 417 of them ultra-rare — unlocked by under 5% of players. The rarest is "LASO Master", earned by just 0.5% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Halo: The Master Chief Collection achievement difficulty

417
60%

Ultra Rare

150
21%

Very Rare

90
13%

Rare

34
5%

Uncommon

9
1%

Common

Distribution of all 700 achievements by global unlock rate

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Where to get it

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All Halo: The Master Chief Collection achievements

700 achievements

LASO Master

Complete each individual game specific LASO playlist for every Halo game.

Ultra Rare0.5%

Back for More

Halo 2: Complete the LASO campaign playlist.

Ultra Rare0.5%

Monopolized

Halo 2: Complete all Halo 2 Legendary campaign missions in under 3 hours.

Ultra Rare0.5%

Naked Tyrant

Halo 4: Complete the Halo 4 LASO Campaign playlist.

Ultra Rare0.5%

Roadkill Rampage

Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Splatter medals.

Ultra Rare0.5%

Rock and Coil Hit Back

Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Environmentalist medals.

Ultra Rare0.5%

Like a Fine Wine

Halo CE: Complete the Halo: CE LASO Campaign playlist.

Ultra Rare0.6%

Goat Roped

Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours.

Ultra Rare0.6%

You're Joking

Halo 4: Complete all Halo 4 Legendary campaign missions in under 3 hours.

Ultra Rare0.6%

A Preference for Pain

Halo 3: Complete the Halo 3 LASO Campaign playlist.

Ultra Rare0.6%

Remove the Bishops From the Board

Kill 1000 Watchers.

Ultra Rare0.6%

Déjà Vu

H3: ODST: Complete Coastal Highway on 4-player Legendary co-op, with Iron, and no 'Hog or Scorpion.

Ultra Rare0.6%

Safety Not Guaranteed

H3: ODST: Complete a Halo 3: ODST LASO Campaign playlist.

Ultra Rare0.6%

Look Out for the Little Guys

Halo CE: Complete Two Betrayals on Legendary difficulty without killing any Grunts.

Ultra Rare0.7%

Annual

Halo 3: Complete Halo on 4-player Legendary co-op, with Iron Skull, and everyone in Ghosts.

Ultra Rare0.7%

Elder Signs

Halo 3: View 2 different sigils on Valhalla.

Ultra Rare0.7%

Devastating

Halo 3: Complete all Halo 3 Legendary campaign missions in under 3 hours.

Ultra Rare0.7%

Mind the Gap

Halo 3: 4 vehicles, 1 gap on Legendary using Cowbell, Catch, Thunderstorm, Mythic, and Tough Luck.

Ultra Rare0.7%

Mortardom

Halo 4: On Reclaimer, use a Wraith to kill at least four enemy Wraiths on Heroic or Legendary.

Ultra Rare0.7%

Invaders Repelled

Halo 2A MP: In King of the Hill, kill 5 opponents within your controlled hill.

Ultra Rare0.7%

Devotee

Halo 4: Complete three Halo 4 playlists.

Ultra Rare0.7%

Knightbane

Kill 1000 Knights.

Ultra Rare0.7%

Icarus

Halo 4: Complete all Spartan Ops chapters on Legendary difficulty.

Ultra Rare0.7%

Smooth Operator

Halo 4: Complete all Spartan Ops chapters solo on Legendary difficulty.

Ultra Rare0.7%

No One Left Behind

Halo 4: Save at least one Marine on Hacksaw (Ep.2 Ch.3) of Spartan Ops on Heroic or Legendary.

Ultra Rare0.7%

No Easy Way Out

Halo 4: Survive Spartan Miller (Ep.5 Ch.1) of Spartan Ops on Heroic or Legendary.

Ultra Rare0.7%

The True King

Earn a total of 250 KOTH Mode Specific medals in matchmade games.

Ultra Rare0.7%

Airborne

Halo CE: Launch a Warthog for at least 5 seconds and have it splatter an enemy.

Ultra Rare0.7%

Why Do This To Yourself?

Halo: Reach: Complete the Halo: Reach LASO Campaign playlist.

Ultra Rare0.7%

One Final Firefight

Halo: Reach: Achieve a score of 150,000 points on Lone Wolf.

Ultra Rare0.7%

Leave It Where It Lay

Halo CE: Complete Two Betrayals on Legendary difficulty without picking up a new weapon.

Ultra Rare0.8%

Excellent Taste

Halo CE: Complete three Halo: CE playlists.

Ultra Rare0.8%

Connoisseur

Halo 2: Complete three Halo 2 playlists.

Ultra Rare0.8%

Starved For Shields

Halo 2: Complete a level with only the Streaking Skull active on Heroic or Legendary.

Ultra Rare0.8%

Easy As One Two Three

Halo 4: Beat the par time on all Halo 4 levels.

Ultra Rare0.8%

Bros to the Close

Halo 4: Complete Infinity without one preventable Marine death on Heroic or Legendary.

Ultra Rare0.8%

Destination Vacation

Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer.

Ultra Rare0.8%

The Return of Megg

Halo 2: She's not picking up.

Ultra Rare0.8%

Wetwork

Halo 2A MP: On Shrine in CTF, activate the enemy base waterfall and, before it stops, grab the flag.

Ultra Rare0.8%

Hazard Pay

Halo 4: Complete all Spartan Ops chapters on Heroic difficulty.

Ultra Rare0.8%

Catch This

Earn a total of 500 Grenade Kill or Plasma Kill medals in matchmade games.

Ultra Rare0.8%

Trifecta

H3: ODST: Complete three Halo 3: ODST playlists.

Ultra Rare0.8%

Shiny...

H3: ODST: Pilot a Banshee on Kizingo Boulevard.

Ultra Rare0.8%

Life Story

Complete the Master Chief Saga playlist.

Ultra Rare0.9%

That Just Happened

Halo CE: Complete The Library on Heroic or Legendary difficulty without dying.

Ultra Rare0.9%

Tying Up Loose Ends

Halo CE: Kill every Elite on the level Keyes on Heroic or Legendary difficulty.

Ultra Rare0.9%

Arcade Owner

Halo 2: Beat the par score on every Halo 2 level.

Ultra Rare0.9%

This is my Rifle, This is my Gun

Halo 4: Carry a UNSC weapon all the way through Forerunner on Heroic or Legendary.

Ultra Rare0.9%

Shook the Hornet's Nest

Halo 2A MP: Get 30 kills with the Hornet in multiplayer.

Ultra Rare0.9%

Aficiando

Halo 3: Complete three Halo 3 playlists.

Ultra Rare0.9%

Throne of Bones

Find and claim all the campaign skulls in Halo:CE, Halo 2, and Halo 3.

Ultra Rare0.9%

What Power Outage?

Halo 4: Complete The Cauldron Base of Spartan Ops without losing a generator on Heroic or Legendary.

Ultra Rare0.9%

Planting A Flag

Earn a total of 250 CTF Mode Specific medals in matchmade games.

Ultra Rare0.9%

Can't Stop Here, This is Brute Country

H3: ODST: Beat par time on all Halo 3: ODST levels.

Ultra Rare0.9%

The Marine Corps Gives Its Regards

H3: ODST: Beat par score on all Halo 3: ODST levels.

Ultra Rare0.9%

Classic

H3: ODST: Finish any level solo on Legendary, with no shots fired or grenades thrown.

Ultra Rare0.9%

Monumental Thirst!

H2A: Found and destroyed the BLAST soda can on Remnant..

Ultra Rare0.9%

Keep Your Foot on the Pedrogas

Halo: Reach: Complete all Halo: Reach Legendary campaign missions in under 3 hours.

Ultra Rare0.9%

Left Behind

Halo: Reach: Achieve a score of 30,000 points on Lone Wolf.

Ultra Rare0.9%

Lore Master

Activate all terminals.

Ultra Rare1.0%

Overachiever

Halo CE: Beat the par score on all Halo: CE levels.

Ultra Rare1.0%

I Regret Nothing

Halo 2: Beat the par time on Regret.

Ultra Rare1.0%

Going Nowhere Fast

Halo 2: Beat par time on all Halo 2 levels.

Ultra Rare1.0%

Trophy Collector

Halo 2: Find and claim all Skulls in Halo 2.

Ultra Rare1.0%

Grand Theft Halo

Halo 2A MP: In one match, steal a total of 5 occupied vehicles from opponents.

Ultra Rare1.0%

Pacifist

Halo CE: Finish The Silent Cartographer without shooting, grenades, melee, dying or restarting.

Ultra Rare1.0%

Red vs. Blue

Halo 2A MP: Win 10 matches on Bloodline in multiplayer.

Ultra Rare1.0%

The Goose is Loose

Halo 2A MP: Get 25 kills with the Gungoose in multiplayer.

Ultra Rare1.0%

Feet First

Halo 4: Complete all Spartan Ops chapters.

Ultra Rare1.0%

Term of Enlistment

Halo 4: Complete all Spartan Ops chapters on Normal difficulty.

Ultra Rare1.0%

Like a Broken Record

H3: ODST: Find a legendary hidden music cue.

Ultra Rare1.0%

Vandalized

H3: ODST: Face it.

Ultra Rare1.0%

Chol Von's Not Gonna Like This

Halo: Reach: Kill 1000 Skirmishers.

Ultra Rare1.0%

Sample Plate

Complete three cross-game playlists.

Ultra Rare1.1%

Did Somebody Say...

Halo CE: Beat par time on all Halo: CE levels.

Ultra Rare1.1%

Force of Will

Halo 2: Beat the par time on Gravemind.

Ultra Rare1.1%

10 Minutes Too Early

Halo 2: In The Oracle, find the holo-drone before the Heretic Leader activates it.

Ultra Rare1.1%

HI BEN

Halo 2: Oh, hi!

Ultra Rare1.1%

Speed Demon

Halo 3: Beat the par time on all Halo 3 levels.

Ultra Rare1.1%

Who Needs Them?

Halo 3: On The Ark, complete the level without entering a vehicle on Legendary.

Ultra Rare1.1%

Gimme That

Halo 4: Beat the par time on Reclaimer.

Ultra Rare1.1%

Power Play

Halo 2A MP: On Warlord, get 5 active camouflage power ups in a single game.

Ultra Rare1.1%

Top Gungoose

Halo 2A MP: Get a kill with the Gungoose while airborne.

Ultra Rare1.1%

Roses vs Violets

Halo 4: Why are you even here?

Ultra Rare1.1%

Domination

Earn a total of 100 Legendary medals in matchmade games.

Ultra Rare1.1%

Feet Don't Fail Me Now

H3: ODST: Beat the par time on Kikowani Station.

Ultra Rare1.1%

Shoot and Scoot

H3: ODST: Complete NMPD HQ without firing the Sniper Rifle on Heroic or Legendary.

Ultra Rare1.1%

Forza in the Fall

Halo: Reach: Flip the switches to become a Reach Racer!

Ultra Rare1.1%

Who Needs Red Flag?

Halo: Reach: Complete three Halo: Reach playlists.

Ultra Rare1.1%

Whistle Stop Tour

Halo CE: Beat the par time on Two Betrayals.

Ultra Rare1.2%

T-Rex

Halo CE: Find the hidden Rex sign on The Maw.

Ultra Rare1.2%

Skulltaker Halo 2: IWHBYD

Halo 2: Find and claim the IWHBYD Skull on Legendary.

Ultra Rare1.2%

Skulltaker Halo 2: Ghost

Halo 2: Find and claim the Ghost Skull on Legendary.

Ultra Rare1.2%

Toybox

Halo 2: Collect all eight Halo toys.

Ultra Rare1.2%

Sid Graffiti

Halo 2: Spot the Sid graffiti on the walls of Coagulation in classic multiplayer.

Ultra Rare1.2%

Why So Serious

Halo 2: View the smiling face in the classic multiplayer map Coagulation.

Ultra Rare1.2%

Hippo Hero

Halo 3: Who DARED to discard this brave animal?

Ultra Rare1.2%

Interloper

Halo 4: Beat the par time on Requiem.

Ultra Rare1.2%

Shut. Down. Everything.

Halo 4: Beat the par time on Shutdown.

Ultra Rare1.2%

Shields Up!

Halo 2A MP: On Zenith, personally activate the center energy shield 3 times in one matchmade game.

Ultra Rare1.2%

Bombing Run

Halo 2A MP: In Assault, take, plant, and score from the bomb spawn without dying or dropping it.

Ultra Rare1.2%

Zealot

Halo 2A MP: In Anniversary matchmaking, win 10 games as an Elite.

Ultra Rare1.2%

Expendable

Halo 4: Complete all chapters in Spartan Ops Episode 8.

Ultra Rare1.2%

Key

Halo 4: Complete all chapters in Spartan Ops Episode 9.

Ultra Rare1.2%

Exodus

Halo 4: Complete all chapters in Spartan Ops Episode 10.

Ultra Rare1.2%

Nice Work Dawg!

Earn a total of 2,500 Assist medals in multiplayer.

Ultra Rare1.2%

Brainpan

Halo 3: Find all the hidden multiplayer Skulls.

Ultra Rare1.2%

Strong, Silent Type

H3: ODST: Assassinate 3 Brutes in a row on Data Hive.

Ultra Rare1.2%

Fast and Low

H3: ODST: Splatter 7 enemies with a Banshee on Kikowani Station.

Ultra Rare1.2%

Fast Fall

Halo: Reach: Beat par time on all Halo: Reach levels.

Ultra Rare1.2%

All You Can Eat

Halo CE: Beat the par time on The Maw.

Ultra Rare1.3%

Madrigal Debut

Halo CE: Trigger a hidden music cue in Halo: CE.

Ultra Rare1.3%

Megg

Halo CE: It's a sign.

Ultra Rare1.3%

Skulltaker Halo 2: Mythic

Halo 2: Find and claim the Mythic Skull on Legendary.

Ultra Rare1.3%

Skulltaker Halo 2: Anger

Halo 2: Find and claim the Anger Skull on Legendary.

Ultra Rare1.3%

Skulltaker Halo 2: Black Eye

Halo 2: Find and claim the Black Eye Skull on Legendary.

Ultra Rare1.3%

Chieftain of the Brutes

Halo 2: Collect the Tartarus toy in Quarantine Zone.

Ultra Rare1.3%

My Work is Done

Halo 2: Collect the Librarian toy in Uprising.

Ultra Rare1.3%

Pyrrhic Solution

Halo 2: Collect the Didact toy in The Great Journey.

Ultra Rare1.3%

Animal Habitat

Halo 2: Spot the hippo on the walls of Headlong in classic multiplayer.

Ultra Rare1.3%

Why Am I Here?

Halo 2: View this hidden message on the classic Beaver Creek map.

Ultra Rare1.3%

Scarab Slide

Halo 3: Beat the par time on The Covenant.

Ultra Rare1.3%

Milk Carton

Halo 3: Find the poster of the missing man.

Ultra Rare1.3%

Man on the Moon

Halo 3: He's watching you.

Ultra Rare1.3%

Raging in the Dark

Halo 4: Beat the par time on Forerunner.

Ultra Rare1.3%

Wraith Hunter

Halo CE: Destroy four Wraith tanks in Assault on the Control Room with the Scorpion tank.

Ultra Rare1.3%

Gate Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Stonetown.

Ultra Rare1.3%

High Altitude Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Zenith.

Ultra Rare1.3%

Rule Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Warlord.

Ultra Rare1.3%

Skeet Shooter

Halo 2A MP: Killed 15 opponents that were airborne from a Man Cannon.

Ultra Rare1.3%

Stayin' Alive

Halo 2A MP: In Juggernaut, survive as the Juggernaut for 30 seconds.

Ultra Rare1.3%

Thirst Locked Down!

Halo 2A MP: Found and destroyed the BLAST soda can on Lockdown.

Ultra Rare1.3%

BLASTacular!

Halo 2A MP: Destroyed all the Halo 2 Anniversary Multiplayer BLAST soda cans.

Ultra Rare1.3%

Bloody Thirsty!

Halo 2A MP: Found and destroyed the BLAST soda can on Bloodline.

Ultra Rare1.3%

Worship Your Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Shrine.

Ultra Rare1.3%

Scattered

Halo 4: Complete all chapters in Spartan Ops Episode 6.

Ultra Rare1.3%

Invasion

Halo 4: Complete all chapters in Spartan Ops Episode 7.

Ultra Rare1.3%

Orbital Skull

Halo 3: Find the hidden Skull on the Orbital multiplayer map.

Ultra Rare1.3%

Citadel Skull

Halo 3: Find the hidden Skull on the Citadel multiplayer map.

Ultra Rare1.3%

Heretic Skull

Halo 3: Find the hidden Skull on the Heretic multiplayer map.

Ultra Rare1.3%

Bill Past Due

H3: ODST: Beat the par time on Tayari Plaza.

Ultra Rare1.3%

Squid Jackpot!

H3: ODST: Beat the par score on Kikowani Station.

Ultra Rare1.3%

We'll Be Back

Halo: Reach: Beat the par score on every Halo: Reach level.

Ultra Rare1.3%

Did You Major in Marine Bio?

Halo: Reach: Encounter the hidden marines on Exodus.

Ultra Rare1.3%

Fly, You Fools!

Halo: Reach: Find the hidden Banshees on The Package.

Ultra Rare1.3%

Canonical Conundrum

Halo: Reach: Find all Data Pads.

Ultra Rare1.3%

Would It've Killed You To Take The Elevator

Halo CE: Beat the par time on Assault on the Control Room.

Ultra Rare1.4%

How Pedestrian

Halo CE: Complete Halo without entering a vehicle.

Ultra Rare1.4%

Terminal Velocity

Halo 2: Beat the par time on Sacred Icon.

Ultra Rare1.4%

Skulltaker Halo 2: Catch

Halo 2: Find and claim the Catch Skull on Legendary.

Ultra Rare1.4%

Skulltaker Halo 2: Assassins

Halo 2: Find and claim the Assassins Skull on Legendary.

Ultra Rare1.4%

Skulltaker Halo 2: Sputnik

Halo 2: Find and claim the Sputnik Skull on Legendary.

Ultra Rare1.4%

The Will of the Prophets

Halo 2: Collect the Arbiter toy in Sacred Icon.

Ultra Rare1.4%

Waypoint

Halo 3: Beat the par time on The Ark.

Ultra Rare1.4%

Countdown

Halo 4: Beat the par time on Midnight.

Ultra Rare1.4%

He's Running a Marathon...

Halo 2: Spot the developer in the opening cutscene of Gravemind on Legendary in Classic Mode.

Ultra Rare1.4%

Back In The Day

Halo CE: Play a CTF custom game on Blood Gulch with 4 players. Tri-tip optional.

Ultra Rare1.4%

Missing Link

Halo 3: Watching. Waiting. Plotting.

Ultra Rare1.4%

Assembly Skull

Halo 3: Find the hidden Skull on the Assembly multiplayer map.

Ultra Rare1.4%

Sandbox Skull

Halo 3: Find the hidden Skull on the Sandbox multiplayer map.

Ultra Rare1.4%

Longshore Skull

Halo 3: Find the hidden Skull on the Longshore multilayer map.

Ultra Rare1.4%

Floor It!

H3: ODST: Beat the par time on Uplift Reserve.

Ultra Rare1.4%

Skulltaker Halo 2: Grunt Birthday Party

Halo 2: Find and claim the Grunt Birthday Party Skull on Legendary.

Ultra Rare1.5%

Skulltaker Halo 2: Envy

Halo 2: Find and claim the Envy Skull on Legendary.

Ultra Rare1.5%

Regrettable Turn of Events

Halo 2: Collect the Prophet of Regret toy in Regret.

Ultra Rare1.5%

Scarab Lord

Halo 2: Acquire the Scarab Gun.

Ultra Rare1.5%

Haplorrhini

Halo 3: Find a lonely missing link.

Ultra Rare1.5%

Terminus

Halo 4: Activate all Halo 4 Terminals.

Ultra Rare1.5%

Chief, Smash!

Halo 4: Kill 3 Crawlers in one hit with the Gravity Hammer on Midnight.

Ultra Rare1.5%

Multiplayer Champion

Win 500 multiplayer games.

Ultra Rare1.5%

Memento Mori

Halo 4: Complete all chapters in Spartan Ops Episode 5.

Ultra Rare1.5%

No Pain, No Gain

Complete 1 mission with the LASO playlist skulls enabled.

Ultra Rare1.5%

An Artist's Canvas

H3: ODST: Beat the par time on Kizingo Blvd.

Ultra Rare1.5%

Just Like Storming a Castle

Halo: Reach: Beat the par time on ONI: Sword Base.

Ultra Rare1.5%

We're Gonna Need a Bigger Ship

Halo: Reach: Fly both the Pelican and Phantom on New Alexandria.

Ultra Rare1.5%

Of Patience and Partiality

Halo: Reach: Find Data Pad 15 on Exodus on Legendary difficulty

Ultra Rare1.5%

Curious Composition

Halo: Reach: Find Data Pad 16 on New Alexandria on Legendary difficulty

Ultra Rare1.5%

Silent Shepherds

Halo: Reach: Find Data Pad 17 on The Package on Legendary difficulty

Ultra Rare1.5%

Assembled the Majority

Halo: Reach: Find Data Pad 18 on The Pillar Of Autumn on Legendary difficulty

Ultra Rare1.5%

Because It Wasn't Hard Enough

Halo: Reach: Complete a Legendary campaign mission with 3 or more skulls enabled (Scoring Only).

Ultra Rare1.5%

Classic Completion

Halo: Reach: Complete Exodus without using any armor abilities.

Ultra Rare1.5%

Mystery Achievement

Inscrutable. Mysterious.

Ultra Rare1.6%

Flyover Country

Halo CE: Beat the par time on Halo.

Ultra Rare1.6%

Headhunter

Halo CE: Find and claim all Skulls in Halo: CE.

Ultra Rare1.6%

The Hype Is Real

Halo 2: Beat the par score on Uprising.

Ultra Rare1.6%

Walking Encyclopedia

Halo 2: Activate all Halo 2 Terminals.

Ultra Rare1.6%

Skulltaker Halo 2: Famine

Halo 2: Find and claim the Famine Skull on Legendary.

Ultra Rare1.6%

And So It Begins...

Halo 2: Collect the Master Chief toy in Delta Halo.

Ultra Rare1.6%

GOOOAAAAALLLL!

Halo 2: Shoot the soccer ball in the level Metropolis.

Ultra Rare1.6%

Dirge of Madrigal

Halo 3: Trigger the hidden music cue in Halo 3.

Ultra Rare1.6%

Symphony of Pain

Halo 4: Beat the par time on Composer.

Ultra Rare1.6%

Eminent Domain

Halo 2A MP: In Territories, control any 3 Territories simultaneously for 30 seconds.

Ultra Rare1.6%

No Stone Unturned

Halo 3: Activate all Halo 3 Terminals.

Ultra Rare1.6%

Party Pooper

Earn a total of 250 Killjoy medals in matchmade games.

Ultra Rare1.6%

This Oliphant Has No Brakes

H3: ODST: Beat the par score on Coastal Highway.

Ultra Rare1.6%

Fowl Hunt

H3: ODST: Kill 3 Jetpack Brutes with a shotgun on Oni Alpha Site.

Ultra Rare1.6%

Paper Trail

Halo: Reach: Find Data Pad 7 on New Alexandria

Ultra Rare1.6%

The Answer is Simple

Halo: Reach: Find Data Pad 14 on Long Night Of Solace on Legendary Difficulty

Ultra Rare1.6%

Yes No You Decide

Halo: Reach: Find Data Pad 19 on Lone Wolf on Legendary difficulty

Ultra Rare1.6%

Workers' Compensation

Halo: Reach: Splatter an enemy using the forklift.

Ultra Rare1.6%

Hit The Beach

Halo CE: Beat the par time on The Silent Cartographer.

Ultra Rare1.7%

No Smoking

Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe.

Ultra Rare1.7%

Feet Firmly Planted

Halo CE: Complete a level without jumping.

Ultra Rare1.7%

Skulltaker Halo 2: That's Just…Wrong

Halo 2: Find and claim the That's Just...Wrong Skull on Legendary.

Ultra Rare1.7%

Skulltaker Halo 2: Thunderstorm

Halo 2: Find and claim the Thunderstorm Skull on Legendary.

Ultra Rare1.7%

Don't Make a Girl a Promise

Halo 2: Collect the Cortana toy in Gravemind.

Ultra Rare1.7%

I Like Crazy

Halo 2: Collect the Rampant Cortana toy in High Charity.

Ultra Rare1.7%

Seconds

Halo 2: Complete a Halo 2 playlist.

Ultra Rare1.7%

Better With Age

Halo 3: Beat the par score on every Halo 3 level.

Ultra Rare1.7%

Begins with a Single Step

Halo 3: On Tsavo Highway, complete the level without entering a vehicle.

Ultra Rare1.7%

Ouroboros

Halo 4: Beat the par time on Infinity.

Ultra Rare1.7%

Chest of Gold

Halo 4: Complete a Halo 4 playlist.

Ultra Rare1.7%

Quick Trigger Finger

Win 450 multiplayer games.

Ultra Rare1.7%

Witch Doctor

Halo 3: Find and claim all Skulls in Halo 3.

Ultra Rare1.7%

Didact's Hand

Halo 4: Complete all chapters in Spartan Ops Episode 4.

Ultra Rare1.7%

Record Store Owner

H3: ODST: Find all 30 Audio Logs.

Ultra Rare1.7%

Play Us a Sad Song, Claude

Halo: Reach: Listen to a hidden music cue.

Ultra Rare1.7%

This is Not the Greatest Lab in the World…

Halo: Reach: Find your way into Halsey's Lab on The Package.

Ultra Rare1.7%

Unsolved Mysteries

Halo: Reach: Find Data Pad 12 on Nightfall on Legendary difficulty

Ultra Rare1.7%

Lightning in a Bottle

Halo CE: Beat the par time on 343 Guilty Spark.

Ultra Rare1.8%

Are We There Yet?

Halo 2: Beat the par time on The Great Journey.

Ultra Rare1.8%

E E E

Halo 2: View both signs in the level Metropolis.

Ultra Rare1.8%

Commuter

Halo 2: Complete Metropolis without entering a vehicle on Heroic or Legendary.

Ultra Rare1.8%

Heading to his Destiny

Halo 3: Destined for greatness.

Ultra Rare1.8%

You Had it Coming

Halo 4: Beat the par score on every Halo 4 level.

Ultra Rare1.8%

Lone Wolf Legend

Halo 4: Complete every level of the game on Legendary difficulty, by yourself.

Ultra Rare1.8%

Triple Threat

Halo 2A MP: In Ricochet, pass once, score once, and kill at least one enemy in the same match.

Ultra Rare1.8%

Dim Mak

Earn a total of 250 Beat Down medals in multiplayer.

Ultra Rare1.8%

Wisening Up

H3: ODST: Find the 29th Audio Log.

Ultra Rare1.8%

Audiophile

H3: ODST: Find the 30th Audio Log.

Ultra Rare1.8%

First Stop: Anywhere But Here!

H3: ODST: Beat the par time on NMPD HQ.

Ultra Rare1.8%

One Got Away

H3: ODST: View the missing link.

Ultra Rare1.8%

Firefly

H3: ODST: Kill a Drone with a flame grenade on Data Hive.

Ultra Rare1.8%

What Does It All Mean?

Halo: Reach: Find Data Pad 11 on ONI: Sword Base on Legendary difficulty

Ultra Rare1.8%

Legend

Complete all campaigns on Legendary difficulty.

Ultra Rare1.9%

So You Don't Want the Tank?

Halo 2: Beat the par time on Delta Halo.

Ultra Rare1.9%

Hot Zone

Halo 2: Beat the par time on Quarantine Zone.

Ultra Rare1.9%

Bomb Squad

Halo 2: Beat the par score on Cairo Station.

Ultra Rare1.9%

Whispers Across the Galaxy

Halo 3: View the communique from Mendicant Bias.

Ultra Rare1.9%

You're No Chips

Halo 4: What do Marines know about sticks?

Ultra Rare1.9%

Steady Aim

Win 400 multiplayer games.

Ultra Rare1.9%

Catherine

Halo 4: Complete all chapters in Spartan Ops Episode 3.

Ultra Rare1.9%

Catching On

H3: ODST: Find the 28th Audio Log.

Ultra Rare1.9%

They've Always Been Faster

Halo: Reach: Clear Winter Contingency without setting foot in a drivable vehicle.

Ultra Rare1.9%

Dear Diary...

Halo CE: Activate all Halo: CE Terminals.

Ultra Rare2.0%

Skulltaker Halo: CE: Black Eye

Halo CE: Find and claim the Black Eye skull in remastered mode.

Ultra Rare2.0%

A Fine Choice

Halo CE: Complete a Halo: CE playlist.

Ultra Rare2.0%

Guided Tour

Halo 2: Beat the par score on Sacred Icon.

Ultra Rare2.0%

Skulltaker Halo 2: Iron

Halo 2: Find and claim the Iron Skull on Legendary.

Ultra Rare2.0%

Betcha can't stick it...

Halo 2: Stick a Plasma Grenade to a Stealth Elite on Outskirts.

Ultra Rare2.0%

Making History

Halo 3: Beat the par time on Cortana.

Ultra Rare2.0%

Explore the Floor

Halo 4: Trick or force a Hunter to fall to its demise on Shutdown on Heroic or Legendary.

Ultra Rare2.0%

Archivist

H3: ODST: Find the 26th Audio Log.

Ultra Rare2.0%

Your Attention Please

H3: ODST: Find the 27th Audio Log.

Ultra Rare2.0%

"BLAM" Said The Lady!

H3: ODST: Swap Dare's pistol for a Rocket Launcher on Coastal Highway.

Ultra Rare2.0%

How Did I Lose All My Fingers?

Halo: Reach: Beat the par score on The Package.

Ultra Rare2.0%

Capacious Cartography

Halo: Reach: Create a custom map using Forge World.

Ultra Rare2.0%

Skulltaker Halo: CE: Fog

Halo CE: Find and claim the Fog skull in remastered mode.

Ultra Rare2.1%

All According to Plan...

Halo CE: Kill the first group of enemies on The Truth and Reconciliation without being detected.

Ultra Rare2.1%

Cold as Ice

Halo 2A MP: On Lockdown, kill an opponent with the hanging ice.

Ultra Rare2.1%

Striking Fear in Their Hearts

Win 350 multiplayer games.

Ultra Rare2.1%

Considerate

H3: ODST: Find the 24th Audio Log.

Ultra Rare2.1%

On Your Toes

H3: ODST: Find the 25th Audio Log.

Ultra Rare2.1%

NEXT!

H3: ODST: Complete a Halo 3: ODST playlist.

Ultra Rare2.1%

Saturday Morning Cartoon

H3: ODST: Is there a toy inside?

Ultra Rare2.1%

Now Just You Gúta Minute

Halo: Reach: Beat the par time on Nightfall.

Ultra Rare2.1%

Generous Tipper

Halo: Reach: Beat the par time on Tip of the Spear.

Ultra Rare2.1%

Scurty Bump

Halo CE: Beat the par time on Keyes.

Ultra Rare2.2%

Skulltaker Halo: CE: Pinata

Halo CE: Find and claim the Pinata skull in remastered mode.

Ultra Rare2.2%

Thirsty Grunt

Halo CE: Listen to the Thirsty Grunt talk about his eating habits.

Ultra Rare2.2%

Like Peanut Butter and Chocolate

Halo 2: Complete a level in co-op on Heroic or Legendary with the Masterblaster Skull active.

Ultra Rare2.2%

Checking Out Your Options

Halo CE: Complete a match on at least 4 unique game types.

Ultra Rare2.2%

Spotter

H3: ODST: Find the 23rd Audio Log.

Ultra Rare2.2%

Wait, How'd the Ship Get Down Here?

Halo: Reach: Beat the par time on The Pillar of Autumn.

Ultra Rare2.2%

Info Dump

Halo: Reach: Find Data Pad 6 on Exodus

Ultra Rare2.2%

Meddling and Madness

Halo: Reach: Find Data Pad 13 on Tip Of The Spear on Legendary difficulty

Ultra Rare2.2%

Jorge Can't Have All the Big Guns

Halo: Reach: Use a Pelican turret.

Ultra Rare2.2%

Consumption Junction

Halo CE: Beat the par score on The Maw.

Ultra Rare2.3%

Skulltaker Halo: CE: Bandana

Halo CE: Find and claim the Bandanna skull in remastered mode.

Ultra Rare2.3%

Skulltaker Halo: CE: Grunt Birthday Party

Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode.

Ultra Rare2.3%

Get Me Out of Here!

Halo CE: Ride in a Pelican for several seconds on the level 343 Guilty Spark.

Ultra Rare2.3%

Unto Dust

Halo 3: Activate Terminal 5 on The Covenant.

Ultra Rare2.3%

Artifact

Halo 4: Complete all chapters in Spartan Ops Episode 2.

Ultra Rare2.3%

Knight in White Assassination

Halo 4: Assassinate a Knight in any Spartan Ops mission.

Ultra Rare2.3%

Scout

H3: ODST: Find the 21st Audio Log.

Ultra Rare2.3%

Adventurer

H3: ODST: Find the 22nd Audio Log.

Ultra Rare2.3%

One For the Record Books

Halo: Reach: Beat the par time on New Alexandria.

Ultra Rare2.3%

Rex Sword

Halo 2: Grab the energy sword on the level Outskirts.

Ultra Rare2.4%

He Never Gets Me Anything

Halo 2: Complete Delta Halo without entering a vehicle on Heroic or Legendary.

Ultra Rare2.4%

Babbling Dead

Halo 3: Activate Terminal 6 on The Covenant.

Ultra Rare2.4%

Boot Camp Hero

Halo 3: Complete a Halo 3 playlist.

Ultra Rare2.4%

Observant

H3: ODST: Find the 20th Audio Log.

Ultra Rare2.4%

Terminal Conditions

Halo: Reach: Find Data Pad 8 on The Package

Ultra Rare2.4%

I Dabble in Slaying

Complete one cross-game playlist.

Ultra Rare2.5%

Skulltaker Halo: CE: Malfunction

Halo CE: Find and claim the Malfunction skull in remastered mode.

Ultra Rare2.5%

YOLO Strats

Halo 2: Beat the par time on The Arbiter.

Ultra Rare2.5%

Thermopylae

Win 300 multiplayer games.

Ultra Rare2.5%

Dogcatcher

Kill 1000 Crawlers.

Ultra Rare2.5%

Nagato Makes Moving Easy

H3: ODST: Complete all Halo 3: ODST Legendary campaign missions in under 3 hours.

Ultra Rare2.5%

Rampant Speculation

Halo: Reach: Find Data Pad 4 on Tip Of The Spear

Ultra Rare2.5%

Game Master

Created and saved 5 Custom Game types.

Ultra Rare2.6%

Skulltaker Halo 3: IWHBYD

Halo 3: Find and claim the IWHBYD Skull on Normal or harder.

Ultra Rare2.6%

Watchful

H3: ODST: Find the 19th Audio Log.

Ultra Rare2.6%

Those Left Behind

H3: ODST: Finish Tayari Plaza with at least one Marine still breathing.

Ultra Rare2.6%

HBOrg Special

Halo: Reach: Party with the DJ Brute.

Ultra Rare2.6%

Charted

Halo CE: Beat the par score on The Silent Cartographer.

Ultra Rare2.7%

Circuit Breaker

Halo CE: Beat the par score on 343 Guilty Spark.

Ultra Rare2.7%

Bearly Contained

Halo CE: Activate Terminal 6 on 343 Guilty Spark.

Ultra Rare2.7%

Cool Story Bro

Halo 3: Listen to the story of the Final Grunt.

Ultra Rare2.7%

Skulltaker Halo 3: Cowbell

Halo 3: Find and claim the Cowbell Skull on Normal or harder.

Ultra Rare2.7%

Attentive

H3: ODST: Find the 18th Audio Log.

Ultra Rare2.7%

Unreliable Narrator

Halo: Reach: Find Data Pad 10 on Winter Contingency on Legendary difficulty

Ultra Rare2.7%

Reach Has Been Good to Me

Halo: Reach: Complete a Halo: Reach playlist.

Ultra Rare2.7%

Clear and Present Danger

Halo: Reach: Pad on the run.

Ultra Rare2.7%

TLDR

Halo CE: Beat the par time on The Library.

Ultra Rare2.8%

It Was Inevitable

Halo CE: Beat the par score on Two Betrayals.

Ultra Rare2.8%

Walk It Off

Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.

Ultra Rare2.8%

Blown Out of the Sky

Halo 2A MP: Blow up the Banshee or Hornet in flight while piloted, with the Rocket Launcher.

Ultra Rare2.8%

Lightning Strike

Halo 3: Beat the par time on The Storm.

Ultra Rare2.8%

Cryptum

Halo 4: Activate Terminal 7 on Midnight.

Ultra Rare2.8%

Headstrong

Halo CE: Beat the par score on Keyes.

Ultra Rare2.9%

Scorched Earth

Halo 2: Beat the par score on High Charity.

Ultra Rare2.9%

Cowardly Grunt

Halo 2: Listen to the Cowardly Grunt's woes.

Ultra Rare2.9%

Before the Fire

Halo 3: Activate Terminal 3 on The Ark.

Ultra Rare2.9%

Skulltaker Halo 3: Catch

Halo 3: Find and claim the Catch Skull on Normal or harder.

Ultra Rare2.9%

Battle Hardened

Win 250 multiplayer games.

Ultra Rare2.9%

Aim for the Head

Earn a total of 2,500 Headshot medals in multiplayer.

Ultra Rare2.9%

Plugged In

H3: ODST: Find the 17th Audio Log.

Ultra Rare2.9%

Winter Urgency

Halo: Reach: Beat the par time on Winter Contingency.

Ultra Rare2.9%

Skulltaker Halo 3: Tilt

Halo 3: Find and claim the Tilt Skull on Normal or harder.

Ultra Rare3.0%

Quicker Than Reading the Book

Halo: Reach: Beat the par time on Exodus.

Ultra Rare3.0%

War Hero

Complete all campaigns on Heroic difficulty.

Ultra Rare3.1%

Legendary Anniversary

Halo 2: Complete every level of the game on Legendary difficulty.

Ultra Rare3.1%

Inundation

Halo 3: Activate Terminal 2 on The Ark.

Ultra Rare3.1%

Wyrmslayer

Kill 250 Hunters.

Ultra Rare3.1%

Departure

Halo 4: Complete all chapters in Spartan Ops Episode 1.

Ultra Rare3.1%

Window Shopping

Halo 2: Complete a match on at least 4 different game types in classic multiplayer.

Ultra Rare3.1%

Ear Bender

H3: ODST: Find the 16th Audio Log.

Ultra Rare3.1%

Minority Report

Halo: Reach: Find Data Pad 5 on Long Night Of Solace

Ultra Rare3.1%

Time Shift

Halo 3: Beat the par time on Crow's Nest.

Ultra Rare3.2%

Torchbearer

Halo 3: Beat the par score on Halo.

Ultra Rare3.2%

Justice

Halo 4: Activate Terminal 6 on Composer.

Ultra Rare3.2%

Master Forger

Created and saved 5 Custom Maps in Forge.

Ultra Rare3.2%

What About Those Tanks?

H3: ODST: Destroy 7 Wraiths on Oni Alpha Site.

Ultra Rare3.2%

Skulltaker Halo: CE: Boom

Halo CE: Find and claim the Boom skull in remastered mode.

Ultra Rare3.4%

No Man's Land

Halo 2: Beat the par time on Uprising.

Ultra Rare3.4%

Leave None Alive

Halo 2: Beat the par score on The Oracle.

Ultra Rare3.4%

Ninja Redux

Halo 2A MP: Kill 5 people with melee from behind in Anniversary matchmaking.

Ultra Rare3.4%

The Legend of 117

Halo 4: Complete every level of the game on Legendary difficulty.

Ultra Rare3.4%

All Ears

H3: ODST: Find the 15th Audio Log.

Ultra Rare3.4%

A Monument To All Your Sins

Halo: Reach: Complete every level of the game on Legendary difficulty, by yourself.

Ultra Rare3.4%

Read Halsey's Journal

Halo: Reach: Find Data Pad 2 on ONI: Sword Base

Ultra Rare3.4%

Digital Destinies

Halo: Reach: Find Data Pad 9 on The Pillar Of Autumn

Ultra Rare3.4%

Quis custodiet ipsos custodes?

Halo CE: Activate Terminal 7 on The Library.

Ultra Rare3.5%

Skulltaker Halo: CE: Eye Patch

Halo CE: Find and claim the Eye Patch skull in remastered mode.

Ultra Rare3.5%

Rooftop Runner

Halo 2: Beat the par time on Outskirts.

Ultra Rare3.5%

Needs More Whammy Bar

Halo 2: Complete the level Regret with the Prophet Birthday Skull activated.

Ultra Rare3.5%

Tipping Point

Halo 3: Activate Terminal 4 on The Covenant.

Ultra Rare3.5%

Skulltaker Halo 3: Famine

Halo 3: Find and claim the Famine Skull on Normal or harder.

Ultra Rare3.5%

Knights

Halo 4: Activate Terminal 5 on Shutdown.

Ultra Rare3.5%

In It To Win It

Win 200 multiplayer games.

Ultra Rare3.5%

Giant Hula Hoop

Halo CE: Beat the par score on Halo.

Ultra Rare3.6%

Skulltaker Halo: CE: Recession

Halo CE: Find and claim the Recession skull in remastered mode.

Ultra Rare3.6%

Siege of Ivory Tower

Halo 2: Listen to a hidden music cue in Halo 2.

Ultra Rare3.6%

Give Him the Stick

Halo 4: Take out both Hunters using only the Sticky Detonator on Composer.

Ultra Rare3.6%

Spree Master

Earn a total of 100 Killing Spree medals in matchmade games.

Ultra Rare3.6%

Determined

Halo 2: Activate Terminal 8 on Sacred Icon.

Ultra Rare3.7%

Snoop Troop

H3: ODST: Find the 14th Audio Log.

Ultra Rare3.7%

Parting the Sea

Halo: Reach: Beat the par score on Exodus.

Ultra Rare3.7%

Tour of Duty

Halo 2A MP: Complete a game in every one of the 6 updated Anniversary MP maps.

Ultra Rare3.8%

Orpheus

Halo 3: Beat the par score on Cortana.

Ultra Rare3.8%

Dark Fortress

Halo 4: Beat the par score on Requiem.

Ultra Rare3.8%

No-Fly Zone

Halo CE: Destroy three of the four Banshees on Halo during a single play-through.

Ultra Rare3.8%

Catch 'Em Napping

H3: ODST: Kill 5 sleeping Grunts on Mombasa Streets.

Ultra Rare3.8%

Meeting of the (Artificial) Minds

Halo: Reach: Find Data Pad 3 on Nightfall

Ultra Rare3.8%

Official Business

Halo 2: Beat the par score on Gravemind.

Ultra Rare3.9%

Put Up Your Dukes

Halo 2A MP: Get 25 melee kills in multiplayer.

Ultra Rare3.9%

Primate

Halo 3: Find your first missing links.

Ultra Rare4.0%

Flipyap

Halo 3: Listen to the tale of a young Grunt named Flipyap.

Ultra Rare4.0%

Speedy Delivery

Halo: Reach: Beat the par time on The Package.

Ultra Rare4.0%

Skulltaker Halo 3: Fog

Halo 3: Find and claim the Fog Skull on Normal or harder.

Ultra Rare4.1%

Shadow of Sundered Star

Halo 4: Beat the par score on Forerunner.

Ultra Rare4.1%

Collection Eligibility Confirmed

Halo: Reach: See, he IS in the game!

Ultra Rare4.1%

You Can't Handle the Truth

Halo CE: Beat the par time on The Truth and Reconciliation.

Ultra Rare4.2%

Vetro Strike

Halo CE: Beat the par score on Assault on the Control Room.

Ultra Rare4.2%

Skulltaker Halo 2: Blind

Halo 2: Find and claim the Blind Skull.

Ultra Rare4.2%

Go, Chief! Gun It!

Halo 3: Beat the par time on Halo.

Ultra Rare4.2%

Phantom Hunter

Halo 3: Destroy 3 total Phantoms on The Covenant.

Ultra Rare4.2%

Sounds Familiar

Halo 3: This stuff is your history!

Ultra Rare4.2%

Get A Load

H3: ODST: Find the 13th Audio Log.

Ultra Rare4.2%

You Really Can't Handle the Truth

Halo CE: Beat the par score on The Truth and Reconciliation.

Ultra Rare4.3%

Speeding Ticket

Halo 2: Beat the par time on Metropolis.

Ultra Rare4.3%

Reed the Strategy

Halo 2: Beat the par time on The Oracle.

Ultra Rare4.3%

Curious

Halo 2: Activate Terminal 1 on Cairo Station.

Ultra Rare4.3%

Well...Maybe One or Two

Kill 25 Engineers.

Ultra Rare4.3%

Mean Streets of New Mombasa

H3: ODST: Complete every level of the game on Legendary difficulty.

Ultra Rare4.3%

A Pleasant Trip

H3: ODST: Beat the par time on ONI Alpha Site.

Ultra Rare4.3%

Overshields are for Sissies

Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield.

Ultra Rare4.4%

Skulltaker Halo 3: Thunderstorm

Halo 3: Find and claim the Thunderstorm Skull on Normal or harder.

Ultra Rare4.4%

Double Time!

H3: ODST: Beat the par time on Coastal Highway.

Ultra Rare4.4%

Negative, Ghostrider

Halo: Reach: Get a Skullamanjaro in a matchmade Headhunter game.

Ultra Rare4.4%

The Doctor Is In

Halo 2: Beat the par score on Quarantine Zone.

Ultra Rare4.5%

Sword and Shield

Halo 3: Activate Terminal 7 on Halo.

Ultra Rare4.5%

Skulltaker Halo 3: Tough Luck

Halo 3: Find and claim the Tough Luck Skull on Normal or harder.

Ultra Rare4.5%

Sharpshooter

Win 150 multiplayer games.

Ultra Rare4.5%

Sightseeing

Halo CE: Complete a match on at least 8 different classic multiplayer maps.

Ultra Rare4.5%

Keep It Clean

Halo: Reach: Kill 7 Moa during Winter Contingency.

Ultra Rare4.5%

Speedy One One Seven

Halo 3: Beat the par time on Sierra 117.

Ultra Rare4.6%

The Coin's Fault

Halo 3: Activate Cortana's Terminal on Cortana.

Ultra Rare4.6%

Survey Says...

H3: ODST: Beat the par score on Tayari Plaza.

Ultra Rare4.6%

Skunked

Halo: Reach: Won a matchmade game of Invasion in the 1st phase.

Ultra Rare4.6%

Gunslinger

Halo 4: Beat the par score on Dawn.

Ultra Rare4.7%

Give Heed

H3: ODST: Find the 12th Audio Log.

Ultra Rare4.8%

This Side Up

Halo CE: Complete the Warthog ride of The Maw without being forcibly ejected from your vehicle.

Ultra Rare4.9%

Pour It On

H3: ODST: Beat the par score on NMPD HQ.

Ultra Rare4.9%

Bake That Cake

Halo: Reach: Beat the par score on Tip of the Spear.

Ultra Rare4.9%

The Long Haul

Complete 500 missions or multiplayer games.

Ultra Rare5.0%

Tourist

Halo 2: Complete a match on at least 8 different classic multiplayer maps.

Very Rare5.1%

Living Legend

Halo CE: Complete every level of the game on Legendary difficulty.

Very Rare5.2%

Finished the Fight

Halo 3: Complete every level of the game on Legendary difficulty.

Very Rare5.2%

War

Halo 4: Activate Terminal 1 on Requiem.

Very Rare5.2%

Just Sayin...I Ain't Dead

H3: ODST: Complete any level without dying on Heroic or Legendary.

Very Rare5.2%

Witching Hour

Halo 4: Beat the par score on Midnight.

Very Rare5.3%

Cold Fusion

Halo 2A MP: Kill an opponent by detonating a Fusion Coil.

Very Rare5.4%

Taste Test

Halo 4: Complete a match on at least 4 different game types in multiplayer.

Very Rare5.4%

Do You Remember When We Met

H3: ODST: Play a game of Halo 3: ODST on the 22nd of any month.

Very Rare5.4%

Does Whatever a Spartan Can?

H3: ODST: Destroy a Wraith…with your bare hands.

Very Rare5.4%

Bits and Pieces

H3: ODST: Destroy 5 Phantoms on NMPD HQ.

Very Rare5.4%

Long Time Fan

Complete 450 missions or multiplayer games.

Very Rare5.5%

Double Trouble

Earn a total of 250 Double Kill medals in matchmade games.

Very Rare5.5%

Tank Beats Everything

Halo: Reach: Finish The Package on Legendary with the Scorpion intact.

Very Rare5.5%

Checkmate

Kill 100 Watchers.

Very Rare5.6%

Fists of Fury

Halo 2: Beat the par score on Regret.

Very Rare5.6%

Librarian's Pet

Halo 4: Beat the par score on Reclaimer.

Very Rare5.6%

Skulltaker Halo 3: Grunt Birthday Party

Halo 3: Find and claim the Grunt Birthday Party Skull on Normal or harder.

Very Rare5.6%

Hang Onto My Words

H3: ODST: Find the 11th Audio Log.

Very Rare5.6%

I Need a Hero

Halo 4: Complete every level of the game on Heroic difficulty.

Very Rare5.7%

Skulltaker Halo: CE: Iron

Halo CE: Find and claim the Iron skull in remastered mode.

Very Rare5.8%

Emergency Shutdown

Halo 4: Beat the par score on Shutdown.

Very Rare5.9%

MVP

Halo 2A MP: Finished as the top player on the winning team in a matchmade game.

Very Rare5.9%

Don't Strain Your Metaphors

H3: ODST: Beat the par score on Uplift Reserve.

Very Rare5.9%

Skulltaker Halo 3: Iron

Halo 3: Find and claim the Iron Skull on Normal or harder.

Very Rare6.0%

I Love My Job

H3: ODST: Beat the par score on ONI Alpha Site.

Very Rare6.0%

Forged in Fire

Win 100 multiplayer games.

Very Rare6.1%

Exterminator

Halo 3: Beat the par score on Floodgate.

Very Rare6.1%

Big Time Gamer

Complete 400 missions or multiplayer games.

Very Rare6.2%

Skulltaker Halo 3: Mythic

Halo 3: Find and claim the Mythic Skull on Normal or harder.

Very Rare6.3%

Reviewer

Halo 2: Activate Terminal 12 on High Charity.

Very Rare6.5%

Rising Waters

Halo 3: Activate Terminal 1 on The Ark.

Very Rare6.5%

Monitored

H3: ODST: Find the 10th Audio Log.

Very Rare6.6%

Gods Must Be Strong

Halo: Reach: Complete every level of the game on Legendary difficulty.

Very Rare6.6%

Hero

Halo 2: Complete every level of the game on Heroic difficulty.

Very Rare6.7%

Thanks A Killion

Kill 20,000 enemies or players.

Very Rare6.8%

Veteran

Complete all campaigns on Normal difficulty.

Very Rare6.8%

Reading Room

Halo CE: Beat the par score on The Library.

Very Rare6.8%

Skulltaker Halo: CE: Famine

Halo CE: Find and claim the Famine skull in remastered mode.

Very Rare6.8%

Requiescat in Pace

Halo: Reach: Complete 10 assassinations on enemy players.

Very Rare6.8%

Pillar of Awesome

Halo CE: Beat the par score on The Pillar of Autumn.

Very Rare6.9%

Committed

Complete 350 missions or multiplayer games.

Very Rare7.0%

Arrival

Halo CE: Activate Terminal 1 on The Pillar of Autumn.

Very Rare7.1%

Skulltaker Halo: CE: Mythic

Halo CE: Find and claim the Mythic skull in remastered mode.

Very Rare7.1%

Skulltaker Halo: CE: Foreign

Halo CE: Find and claim the Foreign skull in remastered mode.

Very Rare7.1%

Run and Gunned

Halo: Reach: Headshot 10 enemies while they are sprinting.

Very Rare7.1%

Going International

Halo 4: Complete a match on at least 8 different multiplayer maps.

Very Rare7.2%

Memories

Halo CE: Activate Terminal 8 on Two Betrayals.

Very Rare7.4%

Knowledgable

Halo 2: Activate Terminal 10 on Gravemind.

Very Rare7.4%

Askar

Halo 3: Beat the par score on The Storm.

Very Rare7.4%

King of the Crows

Halo 3: Beat the par score on Crow's Nest.

Very Rare7.4%

First In, Last Out

H3: ODST: Complete every level of the game on Heroic difficulty.

Very Rare7.4%

Hitchhikers May Be Escaping Convicts

Halo CE: Activate Terminal 5 on Assault on the Control Room.

Very Rare7.5%

Objective Secured

Halo 2: Beat the par score on Outskirts.

Very Rare7.5%

Skulltaker Halo 3: Black Eye

Halo 3: Find and claim the Black Eye Skull on Normal or harder.

Very Rare7.5%

Mind Games

Halo CE: Activate Terminal 9 on Keyes.

Very Rare7.6%

Counter-Sniped

Halo 2A MP: With a Sniper Rifle or Beam Rifle kill an enemy that was zoomed in.

Very Rare7.6%

One Way Ride

H3: ODST: Complete any level without using a health pack on Heroic or Legendary.

Very Rare7.6%

Piece of Cake

Halo 4: Beat the par time on Dawn.

Very Rare7.7%

Wiretapping

H3: ODST: Find the 9th Audio Log.

Very Rare7.7%

Game Breaker

Halo: Reach: Kill 10 enemies while using a Jetpack.

Very Rare7.7%

Medal Completionist

Collect 10,000 campaign or playlist medals.

Very Rare7.8%

Ice In Your Veins

Halo: Reach: Beat the par score on Winter Contingency.

Very Rare7.8%

Silent but Deadly

Halo 2: Kill 7 opponents from behind in a row without being spotted.

Very Rare7.9%

Charum Hakkor

Halo 4: Activate Terminal 3 on Infinity.

Very Rare7.9%

Cavalier

Halo 3: Beat the par score on Tsavo Highway.

Very Rare8.0%

Can't Get Enough

Complete 300 missions or multiplayer games.

Very Rare8.0%

Herald of the Reclamation

Complete all campaigns on Easy difficulty.

Very Rare8.0%

Skulltaker Halo 3: Blind

Halo 3: Find and claim the Blind Skull on Normal or harder.

Very Rare8.0%

Tighten Up The Graphics

Halo 2: Complete every level of Halo 2 having seen it in both classic and remastered mode.

Very Rare8.1%

A Long Time Ago

Halo 4: Play a game of Halo 4 on the 6th of any month.

Very Rare8.2%

Beachhead

Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.

Very Rare8.2%

Operation Completion

Halo 4: Complete a Spartan Ops mission.

Very Rare8.2%

Overtaken By Events

H3: ODST: Beat the par time on Data Hive.

Very Rare8.3%

Inquisitive

Halo 2: Activate Terminal 2 on Outskirts.

Very Rare8.6%

Obsessed

Halo 2: Activate Terminal 13 on The Great Journey.

Very Rare8.6%

Flood

Halo 4: Activate Terminal 4 on Reclaimer.

Very Rare8.6%

The Good, The Bad, and The Dead

Collect 9,000 campaign or playlist medals.

Very Rare8.8%

Just Browsing

Halo 3: Complete a match on at least 4 different game types in multiplayer.

Very Rare8.8%

Head Banging

Halo 4: Beat the par score on Composer.

Very Rare8.9%

Guerilla

Halo 3: Beat the par score on Sierra 117.

Very Rare9.0%

With Your Shield or On It

Halo 3: Complete every level of the game on Heroic difficulty.

Very Rare9.0%

Overheard

H3: ODST: Find the 8th Audio Log.

Very Rare9.0%

No Picnic

Halo: Reach: Observe a grizzly scene on New Alexandria.

Very Rare9.1%

Feeling Charitable

Halo 2: Beat the par time on High Charity.

Very Rare9.2%

Vanguard

Halo 3: Beat the par score on The Covenant.

Very Rare9.2%

Insomnia

Halo: Reach: Beat the par score on Long Night of Solace.

Very Rare9.2%

Enamored

Halo 2: Activate Terminal 7 on Regret.

Very Rare9.3%

Don't Hangar Around

Halo 2: Beat the par time on Cairo Station.

Very Rare9.4%

Up All Night

Complete 250 missions or multiplayer games.

Very Rare9.4%

Magic Touch

H3: ODST: Beat the par score on Data Hive.

Very Rare9.4%

Double Down

Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals.

Very Rare9.6%

Pineapple Express

H3: ODST: Kill 4 enemies with a single plasma or frag grenade.

Very Rare9.7%

Ranger

Halo 3: Beat the par score on The Ark.

Very Rare9.8%

Contender

Win 50 multiplayer games.

Very Rare9.8%

Son of a Gun

H3: ODST: Beat the par score on Kizingo Blvd.

Very Rare9.8%

Sabre Metrics

Halo: Reach: Beat the par time on Long Night of Solace.

Very Rare9.8%

Frequent Flyer Miles

Halo 2: Beat the par score on The Great Journey.

Very Rare9.9%

Believe in a Hero

Halo CE: Complete every level of the game on Heroic difficulty.

Very Rare10.0%

Digging up the Past

Halo 4: Access the Master Chief's records on Dawn.

Very Rare10.0%

Medal Master Chief

Collect 8,000 campaign or playlist medals.

Very Rare10.1%

Hey, You Dropped This

Halo: Reach: Find Data Pad on 1 Winter Contingency

Very Rare10.1%

Auditor

H3: ODST: Find the 7th Audio Log.

Very Rare10.3%

Precious Cargo

Halo: Reach: Beat the par score on The Pillar of Autumn.

Very Rare10.3%

Swift and Shallow

Halo: Reach: Hijack a Banshee during the Reach Campaign.

Very Rare10.4%

Before and After

Halo CE: Complete every level of the game having seen it in both classic and remastered mode.

Very Rare10.5%

Inspector

Halo 2: Activate Terminal 4 on The Arbiter.

Very Rare10.5%

Nine Lives Are a Myth

Halo: Reach: Beat the par score on New Alexandria.

Very Rare10.7%

Scholar

Halo 2: Activate Terminal 11 on Uprising.

Very Rare10.9%

Back At It

Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month.

Very Rare11.0%

Bonus Level

Complete 200 missions or multiplayer games.

Very Rare11.3%

Highway Robbery

Halo 3: Beat the par time on Tsavo Highway.

Very Rare11.4%

Decorated Warrior

Halo 2A MP: Get awarded at least 10 different medals in one multiplayer game.

Very Rare11.5%

Wake Up, John

Halo 4: Complete every level of the game on Normal difficulty.

Very Rare11.5%

Kilotons of Fun

Halo CE: Activate Terminal 10 on The Maw.

Very Rare11.6%

Eavesdropping

H3: ODST: Find the 6th Audio Log.

Very Rare11.6%

Still Sharp

Halo: Reach: Beat the par score on ONI: Sword Base.

Very Rare11.6%

Chesty Puller Starter Kit

Collect 7,000 campaign or playlist medals.

Very Rare11.8%

Two Corpses In One Grave

Halo: Reach: Kill 2 vehicles at once with the Target Locator during ONI: Sword Base.

Very Rare11.8%

Warden

Halo 2 MP: In Classic or Anniversary matchmaking, stop the killing spree of another player.

Very Rare11.9%

Third Time's A Charm

Halo 3: Play a game of Halo 3 on the 25th of any month.

Very Rare12.0%

I Was Wondering What Would Break First

Kill 100 Knights.

Very Rare12.2%

Legend Slayer

Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement.

Very Rare12.2%

Lord of Admirals

Halo 4: Activate Terminal 2 on Forerunner.

Very Rare12.4%

Folks Need Heroes…

Halo: Reach: Complete every level of the game on Heroic difficulty.

Very Rare12.6%

Heresy Will Not Stay My Feet

Halo 2: Beat the par score on The Arbiter.

Very Rare12.7%

Boundless

Halo 2: Beat the par score on Delta Halo.

Very Rare12.7%

Dambuster

Halo 3: Beat the par time on Floodgate.

Very Rare12.7%

World Traveler

Halo 3: Complete a match on at least 8 different multiplayer maps.

Very Rare12.7%

Urban Warfare Badge

H3: ODST: Complete every level of the game on Normal difficulty.

Very Rare12.7%

Wake Up Buttercup

Halo: Reach: Destroy the Corvette's engines & escort in under 3 minutes during Long Night of Solace

Very Rare12.7%

Enemies Everywhere!

Halo: Reach: Complete a Firefight set on Normal or Harder.

Very Rare12.8%

He's Unstoppable

Halo CE: Complete any level on Heroic difficulty or higher without taking health damage.

Very Rare12.9%

Dankey Kang

Kill 1000 Brutes.

Very Rare12.9%

Naughty Naughty

Kill 10 Engineers.

Very Rare13.0%

Hear Me Out

H3: ODST: Find the 5th Audio Log.

Very Rare13.1%

A Day To Remember

Halo CE: Play Halo: CE on the 15th of any month.

Very Rare13.3%

Examiner

Halo 2: Activate Terminal 3 on Metropolis.

Very Rare13.3%

Librarian's Gift

Halo 4: Complete every level of the game on Easy difficulty.

Very Rare13.3%

Jungle Warfare

Halo 4: Beat the par score on Infinity.

Very Rare13.7%

Fascinated

Halo 2: Activate Terminal 5 on The Oracle.

Very Rare13.8%

Delighted

Halo 2: Activate Terminal 9 on Quarantine Zone.

Very Rare13.9%

Xenophobia

H3: ODST: Complete any level without using Covenant weapons.

Very Rare13.9%

Flaming Ninja Anniversary

Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking.

Very Rare14.0%

Rookie

H3: ODST: Complete every level of the game on Easy difficulty.

Very Rare14.1%

Enchanted

Halo 2: Activate Terminal 6 on Delta Halo.

Very Rare14.2%

Oh, These Baubles?

Collect 6,000 campaign or playlist medals.

Very Rare14.2%

Can't Put It Down

Complete 150 missions or multiplayer games.

Very Rare14.3%

Do Tell

H3: ODST: Find the 4th Audio Log.

Very Rare14.6%

You Are The Weapon

Halo CE: Kill a Hunter with one pistol round.

Very Rare14.7%

Warrior

Halo 2: Complete every level of the game on Normal difficulty.

Rare15.1%

Midnight

Halo 4: Complete Midnight.

Rare15.1%

Coastal Highway

H3: ODST: Complete Coastal Highway.

Rare15.1%

Demon

Halo 2: Complete any campaign level without dying on Normal or harder.

Rare15.3%

Data Hive

H3: ODST: Complete Data Hive.

Rare15.4%

Composer

Halo 4: Complete Composer.

Rare15.6%

Secret Agent

H3: ODST: Find the 6th clue unraveling the mystery.

Rare15.6%

Kikowani Station

H3: ODST: Complete Kikowani Station.

Rare15.7%

Shutdown

Halo 4: Complete Shutdown.

Rare15.8%

Private Eye

H3: ODST: Find the 5th clue unraveling the mystery.

Rare16.0%

Close Quarters Combat

Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle.

Rare16.2%

Tuned In

H3: ODST: Find the 3rd Audio Log.

Rare16.2%

Reclaimer

Halo 4: Complete Reclaimer.

Rare16.3%

NMPD HQ

H3: ODST: Complete NMPD HQ.

Rare16.3%

Moon's Out, Goons Out

Halo: Reach: Beat the par score on Nightfall.

Rare16.4%

T'vaoan Terminator

Halo: Reach: Kill 100 Skirmishers.

Rare16.4%

Bloodhound

H3: ODST: Find the 4th clue unraveling the mystery.

Rare16.6%

Deference of Darkness

H3: ODST: Complete any level without activating VISR mode.

Rare16.7%

ONI Alpha Site

H3: ODST: Complete ONI Alpha Site.

Rare16.9%

Prophet's Bane

Halo 3: Complete every level of the game on Normal difficulty.

Rare17.0%

A Few Trinkets

Collect 5,000 campaign or playlist medals.

Rare17.2%

Big Green Style

Halo 2: Complete every level of the game on Easy difficulty.

Rare17.2%

Gumshoe

H3: ODST: Find the 3rd clue unraveling the mystery.

Rare17.6%

Kizingo Boulevard

H3: ODST: Complete Kizingo Blvd.

Rare17.6%

Remember Reach

Halo: Reach: Play a game of Halo: Reach on the 14th of any month.

Rare17.6%

Infinity

Halo 4: Complete Infinity.

Rare17.8%

Were It So Easy

Kill 1000 Elites.

Rare17.8%

An Ear Full

H3: ODST: Find the 2nd Audio Log.

Rare17.9%

Didn't Like This Ship Anyways

Halo CE: Beat the par time on The Pillar of Autumn.

Rare18.0%

Idle Hands

Halo CE: Activate Terminal 4 on The Silent Cartographer.

Rare18.1%

Scavenger Hunt

Kill 1000 Jackals.

Rare18.3%

Bip! Bap! BAM!

H3: ODST: Earn a Triple Kill medal with the pistol on any level.

Rare18.5%

Pest Control

Kill 100 Crawlers.

Rare18.9%

Forerunner

Halo 4: Complete Forerunner.

Rare18.9%

Six Pedals, Four Directions

Halo 2: Drive a Scorpion while playing as the Arbiter.

Rare19.0%

Training Wheels

Halo 3: Complete every level of the game on Easy difficulty.

Rare19.1%

Uplift Reserve

H3: ODST: Complete Uplift Reserve.

Rare19.3%

Listener

H3: ODST: Find the 1st Audio Log.

Rare19.6%

Uprising

Halo 2: Complete Uprising.

Rare19.9%

Investigator

H3: ODST: Find the 2nd clue to unraveling the mystery.

Rare19.9%

I Got This

Complete 100 missions or multiplayer games.

Rare20.0%

Birth of a Spartan

Halo CE: Complete every level of the game on Normal difficulty.

Rare20.1%

Confused Callouts

Halo: Reach: Trigger a humorous callout on your HUD's position indicator.

Rare20.1%

The Great Journey

Halo 2: Complete The Great Journey.

Rare20.3%

High Charity

Halo 2: Complete High Charity.

Rare20.4%

A Heap of Medals

Collect 4,000 campaign or playlist medals.

Rare20.6%

Tayari Plaza

H3: ODST: Complete Tayari Plaza.

Rare21.0%

Requiem

Halo 4: Complete Requiem.

Rare21.1%

Gravemind

Halo 2: Complete Gravemind.

Rare21.3%

Ripple Fire

Halo 2: Beat the par score on Metropolis.

Rare21.3%

Tempered Blade

Win 10 multiplayer games.

Rare21.5%

Quarantine Zone

Halo 2: Complete Quarantine Zone.

Rare21.5%

The Key

Halo 3: Complete Cortana.

Rare21.5%

Return

Halo 3: Complete Halo.

Rare21.7%

Bro Hammer

Complete any co-op level on Legendary difficulty.

Rare21.9%

Last Stand

Halo 3: Complete The Covenant.

Rare22.3%

Sacred Icon

Halo 2: Complete Sacred Icon.

Rare22.4%

Greenhorn

Halo CE: Complete every level of the game on Easy difficulty.

Rare22.6%

The Humble Beginnings of Wiljax Brantley

Halo: Reach: Now that's a value meal.

Rare22.6%

Hunters Hunted

Kill 50 Hunters.

Rare22.9%

New Ways to Save a Buck

Halo: Reach: Hear a familiar voice on New Alexandria.

Rare22.9%

Zombie Repeller

Kill 1000 Flood.

Rare23.0%

Junior Detective

H3: ODST: Find the 1st clue to unraveling the mystery.

Rare23.0%

Two Places, Same Time

H3: ODST: I've got my eye on you, Marine.

Rare23.0%

Regret

Halo 2: Complete Regret.

Rare23.1%

Refuge

Halo 3: Complete The Ark.

Rare23.4%

Splinters

Halo CE: Activate Terminal 3 on The Truth and Reconciliation.

Rare23.8%

Go Ape Shiv

Halo 2: Kill an enraged, berserk Brute using melee.

Rare23.9%

Delta Halo

Halo 2: Complete Delta Halo.

Rare24.5%

Cleansing

Halo 3: Complete Floodgate.

Rare24.6%

Dawn

Halo 4: Complete Dawn.

Rare24.6%

Oracle

Halo 2: Complete The Oracle.

Rare24.9%

A Crate of Medals

Collect 3,000 campaign or playlist medals.

Rare24.9%

The Maw

Halo CE: Complete The Maw.

Rare25.1%

Assault

Halo 3: Complete The Storm.

Rare25.3%

The Soldier We Need You To Be

Halo: Reach: Complete every level of the game on Normal difficulty.

Rare25.3%

Keyes

Halo CE: Complete Keyes.

Rare25.4%

Two Betrayals

Halo CE: Complete Two Betrayals.

Rare26.0%

The Road

Halo 3: Complete Tsavo Highway.

Rare26.3%

Sacrifice

Halo CE: Activate Terminal 2 on Halo.

Rare27.0%

Foe Hammer

Kill 5,000 enemies or players.

Rare27.0%

The Arbiter

Halo 2: Complete The Arbiter.

Rare27.1%

Holdout

Halo 3: Complete Crow's Nest.

Rare27.8%

The Library

Halo CE: Complete The Library.

Rare27.9%

Welcome to Reach

Halo: Reach: Complete every level of the game on Easy difficulty.

Rare28.4%

I Didn't Train To Be A Pilot

Halo: Reach: Kill 3 of the anti-aircraft batteries during New Alexandria.

Rare28.5%

Metropolis

Halo 2: Complete Metropolis.

Rare28.8%

343 Guilty Spark

Halo CE: Complete 343 Guilty Spark.

Rare29.4%

Outskirts

Halo 2: Complete Outskirts.

Rare29.8%

Dirty Bird

Halo 2: Fly the Heretic Banshee.

Rare29.8%

Landfall

Halo 3: Complete Sierra 117.

Uncommon30.1%

Easy to Overlook

Halo: Reach: Access hidden UNSC radio chatter.

Uncommon30.7%

A Pile of Medals

Collect 2,000 campaign or playlist medals.

Uncommon31.0%

Assault on the Control Room

Halo CE: Complete Assault on the Control Room.

Uncommon31.4%

Send Me Out... With A Bang

Halo: Reach: Complete The Pillar of Autumn.

Uncommon31.7%

Brovershield

Complete any co-op level on Heroic difficulty.

Uncommon31.9%

Cairo Station

Halo 2: Complete Cairo Station.

Uncommon32.0%

This Is Not Your Grave

Halo: Reach: Complete The Package.

Uncommon32.6%

Game On

Complete 50 missions or multiplayer games.

Uncommon32.9%

Your Heresy Will Stay Your Feet

Halo: Reach: Kill the Elite Zealot before he can escape during Tip of the Spear.

Uncommon33.5%

THE Chips Dubbo?

Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.

Uncommon34.1%

What About Bob?

Halo: Reach: Find and eliminate one of the hidden Ranger Commander Elites.

Uncommon34.1%

Dust And Echoes

Halo: Reach: Complete New Alexandria.

Uncommon34.4%

Can't Keep Him Down

Halo 3: Fight alongside and listen to The Man. The Legend. Chips Dubbo.

Uncommon34.5%

Front Page News

Halo: Reach: Find me in the club.

Uncommon34.9%

The Silent Cartographer

Halo CE: Complete The Silent Cartographer.

Uncommon35.2%

Into The Howling Dark

Halo: Reach: Complete Exodus.

Uncommon35.7%

Gruntageddon

Kill 1000 Grunts.

Uncommon36.0%

You Flew Pretty Good

Halo: Reach: Complete Long Night of Solace.

Uncommon37.5%

Truth and Reconciliation

Halo CE: Complete The Truth and Reconciliation.

Uncommon38.0%

Delicious Brains

Kill 100 Flood.

Uncommon38.3%

Bite The Hand

Kill a 343 developer in matchmaking or someone who has this achievement.

Uncommon40.0%

To War

Halo: Reach: Complete Tip of the Spear.

Uncommon40.5%

Going Bananas

Kill 100 Brutes.

Uncommon40.7%

Standard Operating Brocedure

Complete any co-op level on Normal difficulty.

Uncommon41.1%

All Out of Bubblegum

Collect 1,000 campaign or playlist medals.

Uncommon41.6%

Mind the Skill Gap

Halo: Reach: Observe the logo of a buttoned-up mining company.

Uncommon42.0%

Halo

Halo CE: Complete Halo.

Uncommon42.1%

I Need A Weapon

Halo: Reach: Complete Nightfall.

Uncommon44.3%

Stick With It...A Little Longer

Play a multiplayer or co-op game at least 3 months after your first game.

Uncommon46.4%

My Buddy Chips

Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.

Uncommon47.9%

The Guardians Are Coming

Get killed by the Guardians.

Uncommon48.9%

Protocol Dictates Action

Halo: Reach: Complete ONI: Sword Base.

Uncommon49.3%

Pillar of Autumn

Halo CE: Complete The Pillar of Autumn.

Uncommon49.8%

Just A Taste

Collect 500 campaign or playlist medals.

Common51.3%

Spoilsport

Kill 100 Jackals.

Common55.5%

We're Just Getting Started

Halo: Reach: Complete Winter Contingency.

Common55.8%

The One Percent

Kill 100 Elites.

Common56.7%

Where Am I?

Complete 10 missions or multiplayer games.

Common61.3%

Balaho's Most Wanted

Kill 100 Grunts.

Common71.6%

I'm Sorry, Dave

Halo: Reach: Find the hidden binary signature.

Common74.1%

Just Getting Started

Kill 100 enemies or players.

Common79.6%

Your Journey Begins

Complete a campaign mission or a match of multiplayer.

Common89.7%