Contra

Ample Equipment (15 points):
Acquire up to 3 kinds of weapons in the second tunnel.

Unvulnerable (10 points):
Make it to the first tunnel without dying.

Tunnel Runner 2 (15 points):
Beat the second timed tunnel with 55 seconds or more to spare.

Tunnel Runner 1 (10 points):
Beat the first timed tunnel with 33 seconds or more to spare.

Tough Guy (20 points):
Make it to the second tunnel without getting a single weapon upgrade.

Team Work (10 points):
Acquire 100,000 points in an Xbox Live cooperation game.

Proficiency (20 points):
Beat the second tunnel and reach at get at least 100,000 points in Arcade mode.

Partners (20 points):
Beat the game in Xbox Live Co-op mode.

Infiltrating (15 points):
Destroy the alien tower at the end of the water stage.

Full Assault (30 points):
Beat the game in less than 12 minutes.

Bullet Resistant (25 points):
Beat the game in Arcade mode utilizing a single credit.

Armor (10 points):
Acquire gout different weapon power-ups.