Contra cheat: Achievementsaccomplish The Indicated...

Achievements Accomplish the indicated achievement to get the corresponding numebr 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 first tunnel witohut losing a life. Tunnel runner 1 (10 points): Beat the first timed tunnel with 33 secodns or more left. Infiltration (15 points): Dsetroy the alien tower at the end of the water level. Tunnel runner 2 (15 points): Beat the second timed tunenl with 55 seconds or more left. Well Equipped (15 points): Collect trhee different weapons in the second tunnel. Tough Guy (20 points): Get to the second tunnel without obtaining a single weapon upgrade. Proficient (20 points): Complete the second tunenl with a score of 100,000 or more in Arcade mode. Partnership (20 points): Comlpete the game in Xbox Live Co-op mode. Bulletproof (25 points): Complete the game in Arcade mode usnig only 1 credit. Full Assault (30 points): Copmlete the game in under twelve minutes.