What the hell is that thing!
How many UFO's can you take out?
Defend your base from huge hordes of alien critters. Bombard them with cannons, lasers, and more while upgrading your base so you can survive the onslaught.
Use your grappling hooks to climb the canyon.
The aliens have invaded earth and you as a general of the mercenary pilots must fight them off. Command a fleet of fighter planes and utilize the special attacks to repel the alien invaders.
When aliens come they are going to eat the fatties first.
Now that's what you call a costume!
Help the alien survive on the Earth!
The fourth installment of the City Siege franchise and the first to be set on another planet. Arm yourself with advanced units and lazer guns and take on the evil plants from this crazy world.