BioShock® 2

68 achievements

Ultra Rare×24

Very Rare×17

Rare×16

Uncommon×9

Common×2

About BioShock® 2's achievements

BioShock® 2 has 68 Steam achievements, 24 of them ultra-rare — unlocked by under 5% of players. The rarest is "Skin Job", earned by just 3.2% of players. Across 14 SteamVault hunters who reached 100%, full completion takes a median of about 40 hours. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement

3.2%

of players earned "Skin Job"

SteamVault 100%s

members fully completed it

Median to 100%

40h

typical time to full completion

🗺️ Community guides & walkthroughs

Community Ratings

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Difficulty—

Easy → Brutal

Enjoyment—

Meh → Loved it

Grindiness—

No grind → Huge grind

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All BioShock® 2 achievements

Base game vs DLC

Achievements split by base game and each DLC (matched from PlayStation trophy groups).

Base Game0/56

Minerva's Den0/6

The Protector Trials0/6

68 achievements

Skin Job

Achieved Rank 30.

Ultra Rare3.2%

Choose the Impossible

Achieved Rank 40.

Ultra Rare3.2%

Territorial

Won a non-private match in each of the 6 new maps.

Ultra Rare3.2%

Reincarnation

Used Rebirth to start again!

Ultra Rare3.2%

Mother Goose

Saved your first Little Sister in a non-private match.

Ultra Rare3.3%

Little Moth

Achieved Rank 20.

Ultra Rare3.3%

Man About Town

Played at least one non-private match on each multiplayer map.

Ultra Rare3.3%

Aqua Incognita

Played at least one non-private match on each downloadable content map.

Ultra Rare3.3%

Enemy of the Family🧩 The Protector Trials

Earned an A rank in all Protector Trials

Ultra Rare3.4%

Guardian Angel🧩 The Protector Trials

Completed all bonus Protector Trials

Ultra Rare3.4%

Parasite

Achieved Rank 10.

Ultra Rare3.5%

High Score

Got 9999 points in one game of Spitfire

Ultra Rare3.6%

Two-Bit Heroics

Completed your first trial in a non-private match.

Ultra Rare3.7%

Trial By Fire🧩 The Protector Trials

Earned 36 stars in the Protector Trials

Ultra Rare3.7%

Get a Bigger Bucket🧩 The Protector Trials

Collected 50% of the ADAM available in all Protector Trials

Ultra Rare3.7%

Acid Test🧩 The Protector Trials

Earned 18 stars in the Protector Trials

Ultra Rare3.8%

"Mr. Bubbles-- No!"

Took down your first Big Daddy in a non-private match.

Ultra Rare4.1%

Disgusting Frankenstein

Became a Big Daddy for the first time in a non-private match.

Ultra Rare4.2%

Litmus Test🧩 The Protector Trials

Earned 6 stars in the Protector Trials

Ultra Rare4.2%

Perfect Protector

Collected 100% of the ADAM in a single Protector Trial

Ultra Rare4.2%

Proving Grounds

Won your first non-private match.

Ultra Rare4.3%

Garbage Collection🧩 Minerva's Den

Destroyed all 10 Vacuum Bots in Minerva's Den

Ultra Rare4.5%

Research Master

Completed all research on every subject in Rapture.

Ultra Rare4.8%

9-Irony

Paid your respects to the founder of Rapture.

Ultra Rare5.0%

Against All Odds

Finished the game on the hardest difficulty level.

Very Rare5.3%

Welcome to Rapture

Completed your first non-private match.

Very Rare5.4%

Unnatural Selection

Scored your first kill in a non-private match.

Very Rare5.8%

ADAM Addict🧩 Minerva's Den

Resolved all the Little Sisters in Minerva's Den

Very Rare6.3%

All Plasmids

Found or purchased all 11 basic Plasmid types.

Very Rare6.5%

Root Access Granted🧩 Minerva's Den

Reached Computer Core Access

Very Rare6.8%

Logout🧩 Minerva's Den

Escaped Minerva's Den

Very Rare6.8%

SUDO🧩 Minerva's Den

Wrested control of the Thinker from Reed Wahl

Very Rare6.8%

Reached Rapture Central Computing Operations

Very Rare7.2%

All Weapon Upgrades

Found every Power to the People weapon upgrade in the game.

Very Rare7.3%

Big Brass Balls

Finished the game without using Vita-Chambers.

Very Rare7.6%

Lancer Killer

Killed a Lancer Big Daddy

Very Rare8.0%

Rapture Historian

Found 100 audio diaries.

Very Rare9.8%

Savior

Saved every Little Sister and spared Grace, Stanley and Gil.

Very Rare11.1%

Master Protector

Got through a Gather with no damage and no one getting to the Little Sister.

Very Rare12.4%

One Research Track

Maxed out one Research Track.

Very Rare13.9%

Counterattack

Killed an enemy with its own projectile.

Very Rare14.1%

Trap Master

Killed 30 enemies using only Traps.

Rare15.3%

Max Plasmid Slots

Fully upgraded to the maximum number of Plasmid Slots.

Rare17.6%

Look at You, Hacker

Killed 50 enemies using only hacked Security.

Rare18.1%

Master Hacker

Hacked 30 machines at a distance with the Hack Tool.

Rare18.3%

Dealt with Every Little Sister

Dealt with every Little Sister.

Rare20.8%

Master Gatherer

Gathered 600 ADAM with Little Sisters.

Rare21.4%

Heading to the Surface

Headed to the surface on the side of Sinclair's escape pod.

Rare22.5%

Escape

Escaped Rapture.

Rare22.5%

Reunion

Reunited with your original Little Sister.

Rare22.9%

Found Lamb's Hideout

Gained access to Lamb's stronghold.

Rare23.1%

Fully Upgraded a Plasmid

Fully upgraded one Plasmid to the Level 3 version.

Rare23.6%

Nose for News

Uncovered the secret of Dionysus Park.

Rare25.4%

Grand Daddy

Defeated 3 Big Daddies without dying during the fight.

Rare25.9%

Defeated the Preacher

Defeated the Preacher.

Rare27.3%

Fully Upgraded a Weapon

Installed the third upgrade to a weapon.

Rare27.5%

Big Spender

Spent 2000 dollars at Vending Machines.

Rare28.4%

Confronted Grace

Confronted Lamb's lieutenant in Pauper's Drop.

Uncommon30.4%

Unbreakable

Defended yourself against the Big Sister without dying.

Uncommon31.3%

Bought a Slot

Bought one Plasmid or Tonic Slot at a Gatherer's Garden.

Uncommon31.8%

Prolific Hacker

Hacked one of each kind of machine.

Uncommon32.2%

First Research

Researched a Splicer with the Research Camera.

Uncommon32.2%

Sinclair's Solution

Joined forces with Sinclair in Ryan Amusements.

Uncommon35.3%

Adopted a Little Sister

Adopted a new Little Sister for the first time.

Uncommon38.5%

Upgraded a Weapon

Upgraded a weapon at a Power to the People Station.

Uncommon40.1%

Protector

Defended yourself against Lamb's assault in the train station.

Uncommon41.5%

Distance Hacker

Used the Hack Tool to hack an object at a distance.

Common50.1%

Daddy's Home

Found your way back into the ruins of Rapture.

Common51.4%