City Siege 4: Alien Siege

Life on distant worlds can be perilous, and it’s up to you to navigate these challenges in the latest installment of this popular series of free online shooting games. As the leader of the space troopers, you command missions and oversee weapon enhancements and troop recruitment. Take aim at the aliens when they least expect it and endeavor to rescue all hostages from alien vegetation. Beware, some of these plants are explosive! Shooting the bomb plants could help you eliminate aliens and unearth precious minerals. However, keep your distance, as the blast may also cause you harm. Explore more free shooter games from the series on both mobile and desktop versions of our platform.

Take control of an alien shooter in this entertaining free online arcade game. Save the hostages and gather valuable resources to earn all three stars.