Aliens: Colonial Marines


Common

Complete all Campaign levels on any difficulty


Rare

Complete all Campaign levels on Hardened difficulty


Rare

Complete all Campaign levels on Ultimate Badass difficulty


Rare

Defeat all Xenomorphs in the Sulaco hangar bay without them crossing your barricade


Uncommon

Arm the emergency release and escape in under 2:30 on Sulaco Falls


Common

Common

Complete One Bullet without setting off the alarm


Rare

Defeat the Raven in under 1:10 on Soldier difficulty or higher


Uncommon

Uncommon

Ultra Rare

Rare

Complete an entire Challenge category


Common

Rare

Upgrade every Loadout slot for a Xenomorph class


Rare

Upgrade every Appearance slot once for your Marine


Rare

Upgrade every Appearance slot once for a Xenomorph class


Uncommon

Common

Kill 10 Xenomorphs that are using vents


Common

Kill 10 Xenomorphs in a game with the M56A2 Smart Gun


Common

Track 100 hostile targets with the Motion Tracker


Rare

Kill 3 enemies with a single U4 Firebomb


Common

Kill a Xenomorph with a shotgun at very close range


Common

Kill a Xenomorph climbing on the walls or ceiling


Common

Kill 5 Spitters without being damaged by acid


Uncommon

Melee a Lurker that is pouncing towards you


Uncommon

Kill a Crusher without it damaging you


Common

Survive a Close Encounter with a Facehugger


Common

Rescue a teammate from a Close Encounter

DLC: Stasis Interrupted

10 Achievements worth 250 Gamerscore

Rare

Complete Stasis Interrupted on any difficulty


Ultra Rare

Complete Stasis Interrupted on Ultimate Badass


Ultra Rare

Find All Stasis Interrupted Audio Logs


Rare

Sever the umbilical without missing a shot


Ultra Rare

Ultra Rare

Destroy all samples in the labs of the Queen module

60
1250
518
501
58
Developer
Gearbox Software
Publisher
SEGA
Platform
Xbox 360