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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.
October 26, 2012
City Siege 4: Alien Siege was released on October 26, 2012.
City Siege 4: Alien Siege is available on Web browser.
No — City Siege 4: Alien Siege is a single-player game.
City Siege 4: Alien Siege was developed by thePodge.