This is the first shooter game that gives the experience of full monster mayhem to both casual players and alien exterminators alike. Follow the epic chase in story mode, or take your chances in survival of the fittest. Master different means of annihilation with shotguns, plasma rifles, electricity guns, grenades, rocket launchers, and even a NUKE! Earn Monster Cash and visit the shop to get upgrades and new guns. Use lots of different perks that will improve your speed and rate of fire, and make you unstoppable.