Deploy different troops, rescue humans and fight aliens in this 2D side-scrolling shooter with mouse and keyboard (WASD) controls. Earn money as you advance, so you can buy more and better troops.
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City Siege 4 Alien Siege Walkthrough
City Siege 4 Alien Siege is a fantastic fighting game. You can check it out on CrazyGames.com directly in your browser, free of charge. The game uses Flash to work fast in most browsers. It has received 54,957 plays and has been rated 9.2 / 10 with 681 votes. Did you like playing this game? Then take a look at our other fighting games like Hobo 2 and Boxing Live 2.