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