Survivalist
Survive any challenge mode for 20 minutes.
25 ✓ June 16th, 2007
WMD
Reach 5000 Km in Super Soviet Missile Mastar.
20 ✓ June 13th, 2007
Adult Alien
Complete Game on Medium Difficulty.
15 ✓ June 15th, 2007
Killing Spree
Kill 1000 enemies during one game.
15 ✓ June 13th, 2007
Hungry Yeti
Eat 50 KGB Agents with the Yeti.
10 ✓ June 13th, 2007
City Destroyer
Destroy 25 buildings during one game.
10 ✓ June 13th, 2007
Juvenile Alien
Complete the Game on Easy Difficulty.
10 ✓ June 15th, 2007
Alien in Training
Complete Level 1-1 of the game.
5 ✓ June 12th, 2007
Perfect Fight
Defeat the Final Boss without using a continue.
30 
Expert Alien
Complete the Game on Hard Difficulty.
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