Description: [Xbox Live Arcade] Pilot a lone starship and fight through an armada of alien ships to save Earth in Gyruss, the classic 3D space shooter. Battle your way from Neptune past Uranus, Saturn, Jupiter, and Mars earning power-ups and score bonuses along the way. Experience all 23 levels of this arcade classics as you battle your way to Planet Earth. Play the classic arcade two player mode, taking turns on your Xbox 360, or take your game online with Xbox Live with both versus and co-op game modes. Play Gyruss in all its classic arcade glory, or play the enhanced Xbox 360 version, with digitally enhanced sounds effects, fully rendered 3D models, a new cosmic starfield background, and special explosion effects. You can even earn 12 new achievements for your successful defense of Earth. [Microsoft]