Monsters control the universe and it is your mission to defeat them. You control a supersonic specialized UFO Ship to destroy all the monsters to regain peace throughout the galaxy. Defeat all the winged monsters then face off against several Master Monsters. Catch all the moons the monsters have captured while avoiding there deadly fireballs. There are even bonus rounds and asteroid fields. Loads of options with 15 supreme music tracks to keep you entertained. 3 different difficulty levels with Keyboard or Joystick play. This is Space Invaders action at its finest. A complete package with 50 stunning levels for truly non-stop action!. Exciting, fun and addictive!