As a member of a secret government agency, it's your job to prevent an all-out alien war. Fix the spacecraft that has crash-landed on your planet as you defend yourself against hostile creatures. This will be a tricky task as you cou can't fix the craft and shoot enemies at the same time. Pick up money that will allow you to purchase and upgrade weapons. As you kill enemies, you will gain skill points that can be used to upgrade your accuracy, reload speed, armor, and health.