the Gunstar back to the Alien's home world through 4 levels of Alien
attack to take out the Alien Overlord and end the invasion of Earth.
* 128 x 112 graphics x 16 colors
* 2 channel sampled sound effects
* 3-plane graphics engine
* High Scores saved
* Designed for Hitachi 6309 CPU
packaging on CD with printed instructions in a DVD case