Zombies, creepies and other assorted bad guys have invaded Santa's lair! Help him suit up and blast those suckers away to the tune of some x-mas dubstep.
Welcome to alien infested planet! In campaign mode, missions range from offense to defense missions upon which you can build a base to stop the alien horde. Or there is a survival mode with 6 maps, where you destroy wave after wave of incoming aliens.
As part of an undercover team, you're deployed into the Amazon jungle. Each member must successfully pass the training test 100% in order to move onto the next mission.
