Complete Game on Medium Difficulty.
Defeat the Final Boss without using a continue.
Complete the Game on Hard Difficulty.
Destroy 25 buildings during one game.
Kill 1000 enemies during one game.
Survive any challenge mode for 20 minutes.
Complete the Game on Easy Difficulty.
Eat 50 KGB Agents with the Yeti.
Complete Level 1-1 of the game.
Reach 5000 Km in Super Soviet Missile Mastar.
Head bite 50 enemies without touching the ground or firing.
Unlock all of the 31 hats that are in the game.
