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