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