Perfect Fight
Defeat the Final Boss without using a continue.
30 ✓ July 19th, 2009
Survivalist
Survive any challenge mode for 20 minutes.
25 ✓ July 18th, 2009
Expert Alien
Complete the Game on Hard Difficulty.
20 ✓ July 18th, 2009
Mad Hatter
Unlock all of the 31 hats that are in the game.
20 ✓ July 19th, 2009
Adult Alien
Complete Game on Medium Difficulty.
15 ✓ July 18th, 2009
Killing Spree
Kill 1000 enemies during one game.
15 ✓ July 18th, 2009
Hungry Yeti
Eat 50 KGB Agents with the Yeti.
10 ✓ July 18th, 2009
City Destroyer
Destroy 25 buildings during one game.
10 ✓ July 22nd, 2009
Juvenile Alien
Complete the Game on Easy Difficulty.
10 ✓ July 18th, 2009
Alien in Training
Complete Level 1-1 of the game.
5 ✓ December 19th, 2008
WMD
Reach 5000 Km in Super Soviet Missile Mastar.
20 
Head Chomper
Head bite 50 enemies without touching the ground or firing.
20