Advanced Star Trench Warfare is a bit of a rarity in that it was written completely in BASIC (no ML subroutines at all), but was sold commercially. It was also the first game for the Coco series that advertised that it would have a true 3-D effect by wearing blue and red 3-D glasses, although from my personal experience, it was not _that_ much of an effect.
The game itself is based on the familiar Star Wars theme of flying through the trench on the Death Star, shooting down tie fighters. It also has a refuelling sequence that was pretty impressive for BASIC at the time, and it used page-flipping techniques to make the high speed graphics (I think this in now called double-buffering in current PC/Mac terminology).
Fred Scerbo, the author, also used to write a long running column in Rainbow magazine, that used to show things like graphic techniques. His was one of the first to show how artifact colors worked, and how to do them from BASIC easily.
Title: Advanced Star Trench Warfare
Author: Fred B. Scerbo
Publisher: Illustrated Memory Banks
Requires: Color Computer 1,2,3, 16K RAM with Extended BASIC, tape or disk, joystick.
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