Archon-9 : Alien Defense

Archon-9 : Alien Defense

28 achievements
Ultra Rare×15
Very Rare×9
Rare×1
Uncommon×2
Common×1

About Archon-9 : Alien Defense's achievements

Archon-9 : Alien Defense has 28 Steam achievements, 15 of them ultra-rare — unlocked by under 5% of players. The rarest is "Solid Defences", earned by just 2.2% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement
2.2%
of players earned "Solid Defences"

Community Ratings

No ratings yet
Difficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
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All Archon-9 : Alien Defense achievements

28 achievements
Solid Defences
Solid Defences
Survival Mode : You survived the first ten waves!
Ultra Rare2.2%
End In Sight
End In Sight
Survival Mode : You survived the first twenty waves!
Ultra Rare2.2%
Mission Accomplished
Mission Accomplished
Survival Mode : You survived ALL waves!
Ultra Rare2.2%
Rookie Demolitionist
Rookie Demolitionist
Survival Mode : You destroyed your first nest!
Ultra Rare2.2%
Novice Demolitionist
Novice Demolitionist
Survival Mode: You destroyed three nests in a single wave!
Ultra Rare2.2%
Advanced Demolitionist
Advanced Demolitionist
Survival Mode : You destroyed five nests in a single wave!
Ultra Rare2.2%
Master Demolitionist
Master Demolitionist
Survival Mode : You destroyed eight nests in a single wave!
Ultra Rare2.2%
Pest Control
Pest Control
You killed 250 aliens in a single wave!
Ultra Rare2.2%
Exterminator
Exterminator
You killed 500 aliens in a single wave!
Ultra Rare2.2%
Trophy Hunter
Trophy Hunter
You killed 5 queens in a single wave!
Ultra Rare2.2%
Aliens' Nightmare
Aliens' Nightmare
You killed 20 queens in a single wave!
Ultra Rare2.2%
Locked & Loaded
Locked & Loaded
Survival Mode : You launched your first missile from the drone!
Ultra Rare3.3%
Long-Range Threat
Long-Range Threat
Survival Mode : You installed a mortar!
Ultra Rare3.3%
Monster Hunter
Monster Hunter
You killed 10 queens in a single wave!
Ultra Rare3.3%
Engineer
Engineer
Survival Mode : You repaired the truck!
Ultra Rare4.4%
Supplied
Supplied
Survival Mode : You recovered your first supply pod!
Very Rare5.6%
Miner issue
Miner issue
Survival Mode : You rescued your first miners!
Very Rare5.6%
Upgraded Drone
Upgraded Drone
Survival Mode : You upgraded the drone!
Very Rare5.6%
Centurion
Centurion
You killed 100 aliens in a single wave!
Very Rare6.7%
Digging In
Digging In
Survival Mode : You survived the first five waves!
Very Rare7.8%
The bigger they are...
The bigger they are...
Survival Mode : You killed your first Queen!
Very Rare7.8%
Half Century
Half Century
You killed 50 aliens in a single wave!
Very Rare7.8%
Geared Up
Geared Up
Survival Mode : You upgraded a marine's kit!
Very Rare8.9%
Pyromaniac
Pyromaniac
Survival Mode : You installed a fire pit!
Very Rare8.9%
Automatic Killer
Automatic Killer
Survival Mode : You installed a sentry gun!
Rare15.7%
Boot Camp
Boot Camp
You completed the tutorial!
Uncommon31.4%
Landing Manoeuvres
Landing Manoeuvres
Survival Mode : You successfully docked the drone!
Uncommon32.5%
Survival Instinct
Survival Instinct
Survival Mode : You survived the first wave!
Common58.4%