Back to calendar Developer · 2 games Master Designer Software, Inc. Adventure Strategy Shooter Watch company Sign in or create a free account to watch this company Sign in Favorite Sign in or create a free account to save your favorite companies Sign in Games 2 Released games (2) 1986 S.D.I. S.D.I. DOS Amiga Atari ST 1986 Defender of the Crown Defender of the Crown PC Mac iOS