Aliens: Colonial Marines Collection achievements

41.24%

No Need For Alarm

Complete One Bullet without setting off the alarm

42.23%

Game Over, Man!

Complete all Campaign levels on any difficulty

42.63%

Micro Changes in Air Density

Track 100 hostile targets with the Motion Tracker

43.23%

Don't Count Me Out

Revive a teammate

44.02%

Dragged Queen

Complete Home

45.22%

Just a Grunt

Complete Hope in Hadley's

45.22%

Secreted from What?

Kill 5 Spitters without being damaged by acid

46.61%

Still Got a Job to Do

Complete Rampart

51.39%

Adios, Muchachos

Gib two enemies at once

52.59%

Let's Rock!

Kill 10 Xenomorphs in a game with the M56A2 Smart Gun

53.19%

Quoth the Raven

Complete The Raven

59.96%

Need a Deck Of Cards?

Set up a UA 571-C Remote Sentry