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.
Add City Siege 4 Alien Siege to your website / blog
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 54,131 plays and has been rated 9.2 / 10 with 672 votes. Did you like playing this game? Then take a look at our other fighting games like Chaos Faction 2 and Raze 3.