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The Cardinal of the Kremlin is an abandoned simulation game involving espionage, politics and govern management set in the cold war years. It was designed by Kenneth Rothschild, developed by Capstone and released by IntraCorp in 1990 for DOS and Amiga. The Cardinal of the Kremlin was based on the Tom Clancy novel of the same name.
Witchaven is an abandoned fantasy first-person shooter (or "slasher", since you'll wield melee weapons) developed by Capstone and released by IntraCorp in 1995 for DOS and Windows. Witchaven includes RPG elements such as experience and leveling your character but it's primarily an action game with swords and spells.