Do the following task to unlock the following achievements and their alloted gamerscore.
Unlockable How to Unlock Adult Alien (15) Complete the Game on Medium Difficulty. Alien in Training (5) Complete level 1-1 of the game. City Destroyer (10) Destroy 25 buildings during one game. Expert Alien (20) Complete the Game on Hard Difficulty. Head Chomper (20) Head bite 50 enemies witout touching the ground or firing. Hungry Yeti (10) Eat 50 KGB Agenst with the Yeti. Juvenile Alien (10) Complete the Game on Easy Difficulty. Killing Spree (15) Kill 1000 enemies during one game. Mad Hatter (20) Unlock all of the 31 hats that are in the game. Perfect Flight (30) Defeat the final boss without using a continue. Survivalist (15) Surive any challenge mode for 20 minutes. WMD (20) Reach 5000 Km in Super Sovjet Missile Master.
Contributed By: marvelfan25.
To unlock each hat do the following Note: you must finish the level for it to unlock just doing the task isn't enough
Unlockable How to Unlock Area 51 agent hat Beat 3-2 Black Afro Beat 1-5 Blond Wig/Pearls Beat 1-2 Brown Hair On hard, jump off the spaceship before the screen fades after beating the final boss Brown Hat In 2-5, kill 7 birds Brown Wig/Pearls Beat 1-3 Chef Hat Beat 1-3 Conical purple hat In 1-3 destroy "Castle of Crap" building Crown of Flowers 1-1 with gore off Daisy-petal Beat 2-3 Jester's Cap Beat 3-4 on hard Jheri Curl In 1-4 destroy "fish are like plants" building KGB Agent hat Beat 2-1 Nurse Cap In 3-5, get to final boss (don't have to win) Pirate Hat 1-1 destroy "Hairy Mommy Daycare" Private Eye hat Beat 3-2 on hard Red Bandana Beat 1-4 Rooster Hat In 1-4 destroy the Behemoth-logo building(must be out of tank) Stove Pipe Hat 1-1 with gore off Tiara 2-2 on hard Yellow Shark Fin In 2-4 dig/suffocate before riding snowmobile
Contributed By: locdog517.
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