Games worked on

• DOOM³: BFG Edition (2012), Bethesda Softworks LLC
• DOOM II (2010), Bethesda Softworks LLC
• DOOM³ (Limited Collector's Edition) (2005), Activision Publishing, Inc.
• DOOM³: Resurrection of Evil (2005), Activision Publishing, Inc.
• DOOM³ (2004), Activision Publishing, Inc.
• Hexen II (2002), MacPlay
• Commander Keen (2001), Activision Publishing, Inc.
• DOOM Collector's Edition (2001), Activision Publishing, Inc.
• Quake III: Revolution (2001), Electronic Arts, Inc.
• Quake III: Team Arena (2000), id Software, Inc.
• Kingpin: Life of Crime (1999), Interplay Entertainment Corp.
• Quake III: Arena (1999), Activision, Inc.
• Quake III: Arena (Elite Edition) (1999), Loki Entertainment Software, Inc.
• Quake: The Offering (1999), id Software, Inc.
• Quake II Mission Pack: Ground Zero (1998), id Software, Inc.
• Quake II Mission Pack: The Reckoning (1998), Activision, Inc.
• DOOM 64 (1997), Midway Games, Inc.
• Dopefish Forever! (1997),
• Dopefish Lives! (1997),
• Quake II (1997), Activision, Inc.
• Quake Mission Pack No 1: Scourge of Armagon (1997), id Software, Inc.
• Quake Mission Pack No. 2: Dissolution of Eternity (1997), id Software, Inc.
• Final DOOM (1996), GT Interactive Software Corp.
• Final DOOM (1996), Atari, Inc.
• Hexen: Beyond Heretic (1996), GT Interactive Software Corp.
• Quake (1996), id Software, Inc.
• DOOM (1995), Williams Entertainment Inc.
• The Ultimate DOOM (1995), GT Interactive Software Corp.
• DOOM II (1994), GT Interactive Software Corp.
• Wolfenstein 3D (1994), Atari Corporation
• Curse of the Catacombs (1993), Froggman
• DOOM (1993), id Software, Inc.
• Tiles of the Dragon (1993), Softdisk Publishing
• Catacomb 3-D (1992), Gamer's Edge, Softdisk Publishing
• The Catacomb Abyss (1992), Softdisk Publishing
• Spear of Destiny (1992), FormGen, Inc.
• Wolfenstein 3D (1992), Apogee Software, Ltd.
• Catacomb II (1991), Softdisk Publishing
• Commander Keen 4: Secret of the Oracle (1991), Apogee Software, Ltd.
• Commander Keen 5: The Armageddon Machine (1991), Apogee Software, Ltd.
• Commander Keen: Aliens Ate My Babysitter! (1991), FormGen, Inc.
• Commander Keen: "Goodbye, Galaxy!" (1991), Apogee Software, Ltd.
• Commander Keen: Invasion of the Vorticons (1991), Precision Software Applications
• Commander Keen: Keen Dreams (1991), Softdisk Publishing
• Dangerous Dave in the Haunted Mansion (1991), Softdisk Publishing
• Hovertank (1991), Softdisk Publishing
• Paganitzu (1991), Apogee Software, Ltd.
• PARAGON (1991), Gamer's Edge, Softdisk Publishing
• Rescue Rover (1991), Softdisk Publishing
• Rescue Rover 2 (1991), Expert Software, Inc., Froggman, Softdisk Publishing
• Slordax: The Unknown Enemy (1991), Softdisk Publishing
• Catacomb (1990), Softdisk Publishing
• Commander Keen 1: Marooned on Mars (1990), Apogee Software, Ltd.
• Commander Keen 2: The Earth Explodes (1990), Apogee Software, Ltd.
• Commander Keen 3: Keen Must Die! (1990), Apogee Software, Ltd.
• Shadow Knights (1990), Softdisk Publishing