Aliens: Colonial Marines Collection achievements

40.96%

No Need For Alarm

Complete One Bullet without setting off the alarm

41.97%

Game Over, Man!

Complete all Campaign levels on any difficulty

42.37%

Micro Changes in Air Density

Track 100 hostile targets with the Motion Tracker

43.37%

Don't Count Me Out

Revive a teammate

43.78%

Dragged Queen

Complete Home

44.98%

Just a Grunt

Complete Hope in Hadley's

44.98%

Secreted from What?

Kill 5 Spitters without being damaged by acid

46.39%

Still Got a Job to Do

Complete Rampart

51.41%

Adios, Muchachos

Gib two enemies at once

52.41%

Let's Rock!

Kill 10 Xenomorphs in a game with the M56A2 Smart Gun

53.01%

Quoth the Raven

Complete The Raven

59.84%

Need a Deck Of Cards?

Set up a UA 571-C Remote Sentry