Contra: AchievementsAchievements There are 12 achievements with a total of 200 points. Armory 10 Collect 4 different weapon power-ups. Team Work 10 Score 100,000 points in an Xbox Live Co-op game. Untouchable 10 Get to the first tunnel without losing a life. Tunnel runner 1 10 Beat the first timed tunnel with 33 seconds or more left. Infiltration 15 Destroy the alien tower at the end of the water level. Tunnel runner 2 15 Beat the second timed tunnel with 55 seconds or more left. Well Equipped 15 Collect 3 different weapons in the second tunnel. Tough Guy 20 Get to the second tunnel without obtaining a single weapon upgrade. Proficient 20 Complete the second tunnel with a score of 100,000 or more in Arcade mode. Partnership 20 Complete the game in Xbox Live Co-op mode. Bulletproof 25 Complete the game in Arcade mode using only 1 credit. Full Assault 30 Complete the game in under 12 minutes.