Aliens vs. Predator
50 Achievements
21-25h
PS3
Come to Mama
Liberate the Matriarch
57.7%
How to unlock the Come to Mama achievement in Aliens vs. Predator - Definitive Guide
This one is story related and as far as I'm aware - can't be missed. Easy 15G.
PLOT MINOR SPOILER ALERT!
PLOT MINOR SPOILER ALERT!