d20 Modern is a modern fantasy role-playing game system designed by Bill Slavicsek, Jeff Grubb, Rich Redman, and Charles Ryan. The system's core rulebook...

The d20 System is a role-playing game system published in 2000 by Wizards of the Coast, originally developed for the 3rd edition of Dungeons & Dragons...

was resurrected and updated for WotC's d20 Modern role-playing game system in the science fiction supplement d20 Future (2004); the new revision was titled...

d20 Future is an accessory for the d20 Modern role-playing game written by Christopher Perkins, Rodney Thompson, and JD Wiker. It facilitates the playing...

d20 Menace Manual is a sourcebook published by Wizards of the Coast (WotC) in 2003 for the role-playing game system d20 Modern that describes various creatures...

Urban Arcana is a campaign setting for the d20 Modern roleplaying game that builds on a small campaign model included in the original rulebook. It adds...

their personality with their beliefs and the situations which test them. d20 Modern uses "allegiance", an ordered list of groups and ideals the character...

classic Star Frontiers game were later incorporated into the d20 Modern game, especially the d20 Future setting. Star*Drive was the first campaign setting...

was written by Wolfgang Baur and Monte Cook. It was later converted to d20 Modern rules as a stand-alone book in 2006. Wolfgang Baur did considerable research...

May 12, 2014. Retrieved 6 February 2012. "d20 Modern website". Retrieved 6 February 2012.[dead link] "d20 Past website". Archived from the original on...