Core books and supplements for various RPGs
- Battle Armor d20 February 28, 2004
- Battle For Oz July 27, 2015
- Beginnings – Westbrook August 11, 2004
- Blackwater Creek August 13, 2015
- Brainwashed September 24, 2005
- Burning Wheel Revised RPG January 6, 2007
- Call of Cthulhu 7th Edition March 14, 2016
- Career Companion, A Clement Sector Sourcebook March 10, 2015
- Cascadia Adventures 1: Save Our Ship August 7, 2013
- Cascadia Adventures 2: The Lost Girl October 24, 2013
- Cascadia Adventures 3 – Fled August 5, 2014
- Castles & Crusades: A Pot of Broken Bones (& Halfing Broth) August 8, 2013
- Clement Sector Player’s Guide July 14, 2015
- Clement Sector, The Rules March 29, 2017
- Cold Harvest – Roleplaying during the Great Purges January 27, 2016
- Complete Champion November 13, 2007
- Complete Scoundrel June 21, 2007
- Conspiracy of Shadows March 1, 2005
- Conspiracy Rules (Dark Conspiracy III) February 11, 2013
- Cormyr: The Tearing of the Weave October 2, 2007
- Creature Weekly Volume 5 February 28, 2005
- Cthulhu Dark Ages May 31, 2004
- CthulhuTech May 29, 2008
- d20 Future September 10, 2004
- d6 Adventure December 5, 2004