Escape Venusian Space
Get Empress Armada off planet Mercury
Hero of Mars
30Destroy the Axis Of Evil's ultimate weapon
Max out one weapon
Buy Wicked Armor
Max out one statistic
Medallist
10Get a medal on any level
Overachiever
15Get a gold medal on five different levels
Multi Player
10Complete any level in Online Multiplayer Mode
Big Winner
20Win three levels in 4-player Multiplayer Mode
Rescue Empress Armada without being crushed
Space Hog
15Get a gold medal in levels 11, 12, and 13.