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| Achievements | 100% | |
| Complete the listed achievement to get the specified number of Gamerscore points: Armory (10 points): Collect gout different weapon power-ups. Team Work (10 points): Score 100,000 points in an Xbox Live Co-op game. Untouchable (10 points): Get to the 1st tunnel without losing a life. Tunnel runner 1 (10 points): Beat the 1st timed tunnel with 33 seconds or more left. Infiltration (15 points): Destroy the alien tower at the end of the water level. Tunnel runner 2 (15 points): Beat the 2nd timed tunnel with 55 seconds or more left. Well Equipped (15 points): Collect 3 different weapons in the 2nd tunnel. Tough Guy (20 points): Get to the 2nd tunnel without obtaining a single weapon upgrade. Proficient (20 points): Complete the 2nd tunnel with a score of 100,000 or more in Arcade mode. Partnership (20 points): Win the game in Xbox Live Co-op mode. Bulletproof (25 points): Win the game in Arcade mode using only 1 credit. Full Assault (30 points): Win the game in under twelve minutes. | ||
Was this cheat: (-)Bogus or (+)Helpful | ||
| 30 lives | 98% | |
| From the Title Screen, press Up(2), Down(2), Left, Right, Left, Right, B, A. | ||
Was this cheat: (-)Bogus or (+)Helpful | ||
