Contra

Achievements

Unlockable	How to Unlock
01. Armory	Collect 4 different weapon power-ups.
02. Team Work	Score 100,000 points in an Xbox Live Co-op game.
03. Untouchable	Get to the first tunnel without losing a life.
04. Tunnel runner 1	Beat the first timed tunnel with 33 seconds or more left.
05. Infiltration	Destroy the alien tower at the end of the water level.
06. Tunnel runner 2	Beat the second timed tunnel with 55 seconds or more left.
07. Well Equipped	Collect 3 different weapons in the second tunnel.
08. Tough Guy	Get to the second tunnel without obtaining a single weapon upgrade.
09. Proficient	Complete the second tunnel with a score of 100,000 or more in Arcade mode.
10. Partnership	Complete the game in Xbox Live Co-op mode.
11. Bulletproof	Complete the game in Arcade mode using only 1 credit.
12. Full Assault	Complete the game in under 12 minutes.

Contra Code

After choosing Arcade mode, enter the famous Konami code and start the game in order to start and continue with 30 lives.

When you use this code, your score is not eligible for the High Score Leader Board.

Code	Effect
Up, Up, Down, Down, Left, Right, Left, Right, B, A	Start game with 30 lives