This page contains Aliens: Colonial Marines Unlockables for Xbox 360 called "Secret Achievements" and has been posted or updated on Apr 16, 2013 by hamzin131.
- Developer: Gearbox Software
- Publisher: Sega
- Genre: Action Shooter First-Person
- Release: Feb 12, 2013
- ESRB: Mature
Complete one of the following Secret achievements to collect their Xbox Live Gamerscore points:
|Unlockable:||How to Unlock:|
|Easter Egg (5 GP)||Find the Easter Egg|
Please Submit a Problem for any incomplete, non-working or fake cheat listed above.
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