Survivalist
Survive any challenge mode for 20 minutes.
25 ✓ September 4th, 2015
WMD
Reach 5000 Km in Super Soviet Missile Mastar.
20 ✓ September 4th, 2015
Head Chomper
Head bite 50 enemies without touching the ground or firing.
20 ✓ September 4th, 2015
Killing Spree
Kill 1000 enemies during one game.
15 ✓ September 3rd, 2015
Hungry Yeti
Eat 50 KGB Agents with the Yeti.
10 ✓ September 3rd, 2015
City Destroyer
Destroy 25 buildings during one game.
10 ✓ September 3rd, 2015
Juvenile Alien
Complete the Game on Easy Difficulty.
10 ✓ September 4th, 2015
Alien in Training
Complete Level 1-1 of the game.
5 ✓ September 29th, 2013
Perfect Fight
Defeat the Final Boss without using a continue.
30 
Expert Alien
Complete the Game on Hard Difficulty.
20 
Mad Hatter
Unlock all of the 31 hats that are in the game.
20 
Adult Alien
Complete Game on Medium Difficulty.
15