12Achievements
Armory
Collect 4 different weapon power-ups.
Common
(29.3%)
Team Work
Score 100,000 points in an Xbox Live Co-op game.
Rare
(6.8%)
Untouchable
Get to the first tunnel without losing a life.
Common
(19.1%)
Tunnel runner 1
Beat the first timed tunnel with 33 seconds or more left.
Common
(26.7%)
Infiltration
Destroy the alien tower at the end of the water level.
Common
(23.0%)
Tunnel runner 2
Beat the second timed tunnel with 55 seconds or more left.
Rare
(9.8%)
Well Equipped
Collect 3 different weapons in the second tunnel.
Rare
(5.6%)
Tough Guy
Get to the second tunnel without obtaining a single weapon upgrade.
Rare
(5.9%)
Proficient
Complete the second tunnel with a score of 100,000 or more in Arcade mode.
Rare
(5.0%)
Partnership
Complete the game in Xbox Live Co-op mode.
Rare
(2.0%)
Bulletproof
Complete the game in Arcade mode using only 1 credit.
Rare
(1.5%)
Full Assault
Complete the game in under 12 minutes.
Rare
(2.8%)