This game was classified by the community with the following category scores - Violence=1/3, Sex=0/3, Mature Content=0/3. Aliens have taken over your base and turned your own defenses against you! Fight back against overwhelming odds and battle your way through six action-packed levels, alone or with up to three friends in co-op play. Non-stop side-scrolling action, classic arcade-style gameplay, and an explosive soundtrack!
Buy Xbox content on Xbox.com. Your Xbox 360 console will automatically download the content next time you turn it on and connect to Xbox Live.Learn More