Microsoft XBOX 360
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Cheats, Codes, Hints, Tips, Walkthroughs, FAQs and Games Strategy
Guides.
Accomplish the indicated achievement to get the corresponding number of
Gamerscore points:
Exterminator (10 points): Defeat the giant spider. Sharp Shooter (10 points): Don't waste more than 30% of your bullets. Unstoppable (10 points): Finish a zone without losing a life. Lair Slayer (10 points): Complete all underground zones. Annihilator (10 points): Kill more than 85% of the total enemies in a
zone. Small Arms Expert (20 points): Finish a zone without using grenades or
nukes. Twin Medal (20 points): Finish a zone in Co-op mode. Speed Freak (20 points): Finish a zone in less than 15 minutes. Peace Maker (20 points): Finish a zone killing less than 50% of the
enemies. Tricked Out (20 points): Max out all of the vehicle power-ups. Survivor (20 points): Finish a zone killing 60% of the units on foot. Assault Hero (30 points): Complete the game.