City Siege 4: Alien Siege - Play for Free at Coolmathgames1.net!
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City Siege 4: Alien Siege
City Siege 4: Alien Siege is the fourth installment of the popular, fun-addicting shooting game. You are on a mission on a far away planet. Take your awesome laser gun and build upgradeable troops in order to battle all enemy alien units and rescue the last human survivors. Much fun. Controls: Arrows / WASD = Move, Mouse = Aim / Shoot

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