Description: [Xbox Live Arcade] There's this evil emperor, see, and... well, he's evil. Now someone has decided to put a stop to the whole evilness thing, and that someone is you. It's the right thing to do! Besides, in Mutant Storm Empire, it'll be fun. Battle through line after line of the emperor's minion horde, destroying absolutely everything you can. Blast through bunches of robots, crush colonies of aquatic monsters, smash swarms of UFOs, and demolish devastating bosses. It's a continuous adventure through four immense, strikingly vibrant worlds, and you can fight alone or join forces with a friend in two-player cooperative mode. Enjoy the frenzy! Practice the way of "Blastikkidoo" or the art of blasting, as you plow through the different worlds in Mutant Storm Empire. This all-new sequel to Mutant Storm Reloaded ratchets up the competitive challenge. The four different worlds feature sixteen challenging levels, all in gorgeous high-def 3-D graphics. Play co-op offline with a friend, or head into Xbox LIVE territory and go multiplayer for up to 2 people. Twelve new achievements to master ranging from easy, such as getting a single combo of beasties, to difficult, such as completing the game on the Black Belt level. [Microsoft]