Moon Defense is an early, public domain Coco 3 arcade game written in BASIC, that was originally released on Compuserve. In it, you fly a ship that has to blast aliens, and you have shields that can not be activated too long, or they overheat and you die.
Title: Moon Defense
Author: Robert Evans
Publisher: Public Domain/Shareware
Released: 1987
Requires: Color Computer 3, 128K RAM, cassette or disk.
Download MOONDE.BAS. Note: this is a tokenized BASIC program.