Full list of all 60 Aliens: Colonial Marines achievements.
The base game contains 50 achievements, and there is 1 DLC pack containing 10 achievements.
Complete all Challenges
Earn Rank 60 as a Marine
Upgrade every Loadout slot for a Xenomorph class
Kill 2179 Xenomorphs
Upgrade every Appearance slot once for your Marine
Defeat the Raven in under 1:10 on Soldier difficulty or higher
Complete all Campaign levels on Ultimate Badass difficulty
Complete all Campaign levels on Hardened difficulty
Complete an entire Challenge category
Spend 30 Commendations
Upgrade every slot for a weapon
Arm the emergency release and escape in under 2:30 on Sulaco Falls
Kill 3 enemies with a single U4 Firebomb
Purchase all Upgrades for a weapon
Complete all Campaign levels on any difficulty
Complete Home
Earn Rank 20 as a Marine
Collect all 35 Dog Tags
Collect all 6 Legendary Weapons
Complete Hope in Hadley's
Kill a Crusher without it damaging you
Complete Rampart
Collect all 12 Audio Logs
Kill 5 Spitters without being damaged by acid
Complete One Bullet without setting off the alarm
Gib two enemies at once
Track 100 hostile targets with the Motion Tracker
Complete The Raven
Find Newt's doll
Melee a Lurker that is pouncing towards you
Kill 10 Xenomorphs in a game with the M56A2 Smart Gun
Set up a UA 571-C Remote Sentry
Upgrade every Appearance slot once for a Xenomorph class
Edit a Xenomorph Loadout
Complete Sulaco Falls
Find the Easter Egg
Defeat all Xenomorphs in the Sulaco hanger bay without them crossing your barricade
Revive a teammate
Survive a Close Encounter with a Facehugger
Edit a Marine Loadout
Complete Distress
Complete a Challenge
Collect a Legendary Weapon
Kill a Xenomorph climbing on the walls or ceiling
Kill 10 Xenomorphs that are using vents
Collect a Dog Tag
Rescue a teammate from a Close Encounter
Earn Rank 2 as a Marine
Kill a Xenomorph with a shotgun at very close range
Have another player join your party
Complete Stasis Interrupted on Ultimate Badass
Find All Stasis Interrupted Audio Logs
Complete Stasis Interrupted on any difficulty
Destroy all samples in the labs of the Queen module
Survive the Queen escape
Escape the FTL ship
Kill all the Lurkers in Sulaco engineering
Destroy the Legato
Find your family
Sever the umbilical without missing a shot