God of games

1. Doom III: The Legacy (2004) (VG) (programmer)
2. Doom? (2004) (VG) (technical director)
   ... aka Doom III (USA)
3. Serious Sam: The Second Encounter (2002) (VG) (special thanks)
   
   
4. Kingpin: Life of Crime (1999) (VG) (special thanks)
5. Quake III: Arena (1999) (VG) (lead programmer)
6. Quake II (1998) (VG) (lead programmer)
7. Quake (1996) (VG) (lead programmer)
8. Hexen (1995) (VG) (programmer: 3D engine)
   ... aka Hexen: Beyond Heretic (USA: reissue title)
9. Heretic (1994) (VG) (programmer: 3-D engine) (set engineer)
   ... aka Heretic: Shadow of the Serpent Riders (USA: reissue title)
10. Rise of the Triad: Dark War (1994) (VG) (special thanks)
11. Descent (1994) (VG) (special thanks)
12. Doom II: Hell On Earth (1994) (VG) (lead programmer)
    ... aka Doom II (USA: short title)
13. Doom (1993) (VG) (programmer)
    ... aka Ultimate Doom (USA: new title)
14. Spear of Destiny (1992) (VG) (software engineer)
    ... aka SOD Part 2: Return to Danger (USA: second part title)
15. Commander Keen 6: Aliens Ate My Baby Sitter! (1991) (VG) (software engineer)
    
    

Filmography as: Miscellaneous Crew, Writer, Director

Writer - filmography
(2000s) (1990s)

1. Return to Castle Wolfenstein (2001) (VG) (story)
   ... aka Return to Castle Wolfenstein: Operation Resurrection (USA)
   ... aka Return to Castle Wolfenstein: Tides of War (USA)
2. Commander Keen (2001) (VG) (story)
   
   
3. Wolfenstein 3D (1992) (VG) (story)
4. Spear of Destiny (1992) (VG)
   ... aka SOD Part 2: Return to Danger (USA: second part title)
   
   

Filmography as: Miscellaneous Crew, Writer, Director

Director - filmography

1. Quake IV (2005) (VG)
2. Doom III: The Legacy (2004) (VG)