You have been dropped off on a planet that all evidence indicated was uninhabited. You were supposed to scout it, confirm you were the only occupant and the prepare to set up command. Unfortunately, you are not alone. You must kill the various creatures that do not want you there before they get you. When you kill them all, you clear the level. As you progress, you can buy perks, upgrades and other goodies. Can you defeat the enemies and settle the planet? Have fun playing Space Fortress!