Open Game License



  • Arcana EvolvedMonte Cook's d20 magnum opus, a riveting world of staff-wielding sorcerers, mages who speak to brooks and trees and those whose memories reach back to the beginning of time.
  • Core ElementsA distillation of the d20 System in just seven pages.
  • d20 AnimePlay magical girls, sorcerers and mecha pilots using everyone's favourite system.
  • d20 ModernModern role-playing, from occult investigation to special ops and anything in between.
  • Dark Dungeons • Dark Dungeons is a retroclone for the Rules Cyclopedia.
  • DiasporaSingularity FATE-based role-playing.
  • e20 SystemA roleplaying game whose mechanics allow for fast game play, streamlined character creation and advancement, and a cinematic storytelling experience adaptable to any genre or style of play.
  • FATE (game)A universal game based on the FATE engine.
  • FudgeAn early generic RPG.
  • Ghost RunnerAs a Ghost Runner, you the players must track down rogue Ghosts, pulled from the afterlife and embedded into cybernetic SHELS which are used to hold these spirits to the world.
  • GOREA d%-based horror RPG.
  • Iridium SystemA simple and realistic system combining skills and classes.
  • Microlite20A simplified version of the d20 System.
  • MULRAHAn RPG that has undergone considerable changes in recent versions.
  • OpenD6The popular D6 System finally released as open.
  • OpenQuestA complete and easy to play fantasy roleplaying game, with monsters, magic and exotic locales. OpenQuest uses the classic D100 rules mechanic, which uses percentages to express the chance of success or failure.
  • SpellchromeA classless version of the d20 System.
  • Sweet20Bringing indie sensibilities to the d20 System.
  • Tech NoirA cyberpunk game that uses a d20.
  • The Age of ShadowA role-playing game designed for one of the most popular fantasy trilogies of all time.
  • TravellerA long-lived role-playing game with some setting details.
  • True20A generic RPG based on a lite version of the d20 System.
  • Two Worldsd20 role-playing based on the computer game of the same name.
  • WayfarersPoints-buy medieval fantasy role-playing.

Copy of the Licence: OGL