d20 Apocalypse: A d20 Modern Supplement, by
The Sinister Spire (Dungeons & Dragons d20 3.5 Fantasy Roleplaying Adventure, 4th Level), by Marmell, Ari, Cordell, Bruce R.
Unapproachable East (Dungeons & Dragons d20 3.0 Fantasy Roleplaying, Forgotten Realms Setting), by Baker, Richard, Forbeck, Matt, Reynolds, Sean K.
Wild Spellcraft (d20 Fantasy Roleplaying Supplement), by Ryan Hock
Dungeon Crawl Classics 25, by Simmons, Jeremy
Dungeon Crawl Classics #11: The Dragonfiend Pact, by Doyle, Chris
d20 Modern Roleplaying Game: Core Rulebook, by Redman, Rich, Grubb, Jeff, Slavicsek, Bill, Stan!
Nightmares and Dreams II (d20 Fantasy Roleplaying Supplement, Hunt Rise of Evil), by Games, Mystic Eye
Traps & Treachery (Dungeons & Dragons d20 3.0 Fantasy Roleplaying), by Fantasy Flight Games
Guildcraft (d20 System) (BAS1006), by et al Chris Maxfield
Toolbox (D20 System), by Aeg
Dragons (d20 Fantasy Roleplaying), by Jim Pinto, Mike Leader, Mike Mearls, Andrew Getting, Ree Soesbee, Douglas Sun, Peter Flanagan, J. Darby Douglas, Aaron A. Acevedo
Power of the Jedi Sourcebook (Star Wars Roleplaying Game), by J.D. Wiker, Michael Mikaelian, Joe Corroney, Jeff Grubb, Owen K. C. Stephens, James Maliszewski
Beyond All Reason (d20 Generic System), by Secord, Todd, Bell, James
The Hamlet of Thumble (d20 Fantasy Roleplaying Supplement, 1A), by Ed Cha
Scarred Lands Blood Sea, by Berman, Steve
Arcana Evolved Spell Treasury, by Cook, Monte
Arcana Unearthed: A Variant Player's Handbook, by Monte Cook
Uresia, Grave Of Heaven: BESM D20 Supplement, by Ross, S. John
Diablo II: Diablerie (Dungeons and Dragons), by J. D. Wiker
Enchanted Locations d20, by Connors, William W., Ward, James M.
Wilds (D20 System Supplements), by Alderac Staff
Classic Play: Book Of Encounters And Lairs, by Hahn, August
Book of the Righteous (Dungeons & Dragons d20 3.0 Fantasy Roleplaying), by Aaron J Loeb, William Simoni, Chris Pramas
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