Intergalactic Development Inc. games

UMS: The Universal Military Simulator

Release: 31 Dec 1988

UMS: The Universal Military Simulator - The American Civil War

Release: 31 Dec 1988

UMS: The Universal Military Simulator - Vietnam

Release: 31 Dec 1988

Designasaurus

Release: 31 Dec 1989

Jack the Ripper

Release: 31 Dec 1995

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