Creaciones
| ▲Título▽ | ▲C▼ | ▲Año▼ | ▲V▼ | ▲Concepto▼ |
|---|
| They Did Not Think It Too Many (junto a Adam Denton, David Lee Ingersoll, Bradley McDevitt y Marco Morte) |   | 2010 | — | Escritor |
| The Sword of Sneferu (junto a Koen Goorickx, Wolfgang Hübner y Donato Ranzato) |  | 2007 | — | Escritor |
| New Skills ("Delta Green: Countdown") |  | 1999 | — | Escritor |
| M-Epic (junto a Warren Banks, Adam Scott Glancy y Todd Shearer) |  | 2010 | — | Escritor |
| Kenya (junto a David Conyers, Bret Kramer, Matthew Pook y Hans-Christian Vortisch) | | 2016 | — | Escritor |
| Keeper's Corner: The first step is always the most difficult (junto a Momo Evers) | | 2005 | — | Escritor |
| Introductions ("Worlds of Cthulhu Issue #01") (junto a Frank Heller y Keith Herber) | | 2004 | — | Escritor |
| A Gazetteer of Averoigne (junto a Dan Harms) | | 2005 | — | Escritor |
| Dark Ages: Averoigne - Skills (junto a Dan Harms) | | 2004 | — | Escritor |
| Dark Ages: Averoigne - Occupations (junto a Dan Harms) | | 2004 | — | Escritor |
| Dark Ages: Averoigne (junto a Richard Becker y Dan Harms) | | 2005 | — | Escritor |
| Cathulhu (junto a Ingo Ahrens, Dan Harms y Bill Walsh) | | 2006 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 9: Artefacts and tomes (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 8: Rules of savage engagement (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 7: Into the fray (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 6: Planes, trains and things that go bang (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 5: Secret and occult societies (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 4: The other secret war (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 3: Might makes right? (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 2: Inside the Reich (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 1: From the Shadows. (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 15: Suggested resources (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 14: Quick play guide (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 13: Adventure seeds (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
| Achtung! Cthulhu: Keeper's Guide to the Secret War Chapter 12: Allies and nemeses (junto a Chris Birch, Dave Blewer, Bill Bodden et al.) | | 2013 | — | Escritor |
