Complete Level 1-1 of the game.

Reach 5000 Km in Super Soviet Missile Mastar.

Survive any challenge mode for 20 minutes.

Defeat the Final Boss without using a continue.

Eat 50 KGB Agents with the Yeti.

Destroy 25 buildings during one game.

Complete the Game on Easy Difficulty.

Complete the Game on Hard Difficulty.

Complete Game on Medium Difficulty.

Unlock all of the 31 hats that are in the game.

Kill 1000 enemies during one game.

Head bite 50 enemies without touching the ground or firing.