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City Siege 4. Alien Siege is the fourth part of the series and is set on another planet. With advanced units and laser guns you take on the evil plants of this crazy world. They have valuable gems, and also a few kidnapped humans that you have to rescue.
You deploy troops via the landing ship and move them with WASD or the arrow keys. You aim and shoot with the mouse and quickly switch units with + and -.
City Siege 4. Alien Siege is one of the action games on 1001 Games. Want more? Check out the similar games below.
Click the game window and City Siege 4. Alien Siege starts right away. Controls: keyboard and mouse.
Yes, you play City Siege 4. Alien Siege for free on 1001 Games, with no download, installation or account.
Yes, City Siege 4. Alien Siege works in the browser of your phone and tablet, and just as well on a computer.