• Return to Zork (1993)
• Zork I (1980)
• The Hitchhiker's Guide to the Galaxy (1984)
• A Mind Forever Voyaging (1985)
• Planetfall (1983)
• Zork II (1981)
• BattleTech: The Crescent Hawk's Inception (1988)
• Arthur: The Quest for Excalibur (1989)
• Zork: The Great Underground Empire (1980)
• Trinity (1986) (1986)
• The Witness (1983) (1983)
• Ballyhoo (1985) (1985)
• The Lurking Horror (1987)
• Deadline (1982) (1982)
• Zork Zero (1988)
• Zork Zero: The Revenge of Megaboz (1989)
• Hollywood Hijinx (1986)
• Border Zone (1987)
• Wishbringer (1985)

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