| Roleplaying Game Credits: |
| |
| Book | | Publisher | | Credit |
| Paranoia XP (2004) | | Mongoose Publishing | | Source Material |
| Paranoia XP (2004) | | Mongoose Publishing | | Developer |
| Four Scrolls of Revelation, The (Hero Wars) (2002) | | Unspoken Word, The | | Author |
| Apocrypha 2: Charts of Darkness (Warhammer FRP) (2000) | | Hogshead Publishing Ltd. | | Author |
| Pavis & Big Rubble, 2nd Ed. (RuneQuest) (1999) | | Moon Design Publications | | Author |
| Paranoia, 5th Ed. (1995) | | West End Games | | Original Development |
| Lords of Terror (RuneQuest) (1994) | | Avalon Hill | | Editor-in-Chief |
| Lords of Terror (RuneQuest) (1994) | | Avalon Hill | | Additional Material |
| Strangers in Prax (RuneQuest) (1994) | | Avalon Hill | | Error Trapping & Contributing Design |
| Strangers in Prax (RuneQuest) (1994) | | Avalon Hill | | Layout and Production |
| Strangers in Prax (RuneQuest) (1994) | | Avalon Hill | | Editing |
| Wraith: The Oblivion (1994) | | White Wolf | | Author |
| Dorastor, Land of Doom (RuneQuest) (1993) | | Avalon Hill | | Design |
| Dorastor, Land of Doom (RuneQuest) (1993) | | Avalon Hill | | Development and Editing |
| Shadows on the Borderland (RuneQuest) (1993) | | Avalon Hill | | Development, Editing and Additional Material |
| Shadows on the Borderland (RuneQuest) (1993) | | Avalon Hill | | Author |
| Charlemagne's Paladins Campaign Sourcebook (Advanced Dungeons & Dragons) (1992) | | TSR, Inc. | | Design |
| Primal Order, The (1992) | | Wizards of the Coast | | Foreword |
| River of Cradles (RuneQuest) (1992) | | Avalon Hill | | Development and Editing |
| River of Cradles (RuneQuest) (1992) | | Avalon Hill | | Design |
| Sun County (RuneQuest) (1992) | | Avalon Hill | | Development, Editing and Additional Material |
| Computer Always Shoots Twice, The (Paranoia) (1988) | | West End Games | | Design |
| Northern Reaches, The (Dungeons & Dragons (classic)) (1988) | | TSR, Inc. | | Design |
| Best of Intentions, The (Dungeons & Dragons (classic)) (1987) | | TSR, Inc. | | Design |
| Kingdom of Ierendi, The (Dungeons & Dragons (classic)) (1987) | | TSR, Inc. | | Developer |
| Star Wars: The Roleplaying Game (Star Wars (d6)) (1987) | | West End Games | | Solo Adventure and Adventure Ideas |
| Acute Paranoia (1986) | | West End Games | | Design |
| Ghostbusters: A Frightfully Cheerful Roleplaying Game (1986) | | West End Games | | Developer |
| HIL Sector Blues (Paranoia) (1986) | | West End Games | | Design |
| Orcbusters (Paranoia) (1986) | | West End Games | | Design |
| Black Sword (Stormbringer) (1985) | | Chaosium | | Author |
| Paranoia Gamemaster Screen (1985) | | West End Games | | Author |
| Send In the Clones (Paranoia) (1985) | | West End Games | | Developer |
| Stealer of Souls (Stormbringer) (1985) | | Chaosium | | Author |
| Conan Against Darkness! (1984) | | TSR, Inc. | | Author |
| Lost Island of Castanamir, The (Advanced Dungeons & Dragons) (1984) | | TSR, Inc. | | Author |
| Paranoia (1984) | | West End Games | | Development and Editing |
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| Magazine Article Credits: |
| |
| Article | | Credit |
| "Newtlings of Glorantha" in Tradetalk #11 (2002) | | Inspiration |
| "Orcs in Space" in Dragon #149 (Sep 1989) | | Author |
| "Regina Cayli" in Star Wars Adventure Journal #1 (Feb 1994) | | Author |
| "The South Coast of Genertela" in Tradetalk #10 (2002) | | Original Material |
| |
| |
| Fiction Credits: |
| |
| Book | | Publisher | | Credit |
| Nobody Knows the Trouble I've Shot (Paranoia) (1991) | | West End Games | | Author |
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