Open Game License

A copyleft licence designed for games but usable elsewhere.


One of the first announcements

Has Open Gaming been a success? (Mike Mearls)

Fast Forward Entertainment forced to destroy books for OGL violations





Wizards of the Coast

  • Labyrinth LordA retroclone of Basic/Expert D&D.
  • Lamentations Of The Fire PrincessWeird fantasy role-playing.
  • Magic SwordA project to clone and improve upon D&D 4E.
  • Magpie CodexA light and generic fantasy RPG.
  • Masks'Masks is a pen-and-paper role-playing game of super powered heroes, with addictive character generation and comic-book combat pacing.'
  • Mazes & Perils'Mazes & Perils is a game of imagination and role playing in a fantasy world, suitable for ages 10 and up.'
  • Men of StonesThis is a game of drama, of desires, motivations, and downfalls.
  • Men Of Stones'This is a game of drama, of desires, motivations, and downfalls. You play characters caught up in a devastating circle of events that can lead only to a tragic fall.'
  • Microlite20A simplified version of the d20 System.
  • Mini SixA short and sweet take on the d6 System.
  • MULRAHAn RPG that has undergone considerable changes in recent versions.
  • Mutant FuturePost-apocalyptic role-playing compatible with Labyrinth Lord.
  • Mutants & MastermindsA d20 superhero RPG.
  • Myth & MagicAn adaptation of 2E AD&D.
  • NecronauticaA game of heroic soldiers fighting against an alien invasion.
  • Open4E'This system is intended to be a streamlined and open tactical RPG. The primary source of inspiration is Dungeons and Dragons 4th Edition.'
  • 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.
  • OSRICA retroclone of 1st Edition Dungeons & Dragons.
  • PathfinderA role-playing game based on Dungeons & Dragons 3.5.
  • Perfect20A variant on D&D 3e.
  • PFSRDA collection of Pathfinder official and third party materials.
  • Prometheus SRDAn open version of the character creation and advancement rules from Dungeons & Dragons 3E.
  • Raven Crowking's Fantasy GameRaven Crowking's reworking of Dungeons & Dragons
  • Renaissance'Renaissance is a free D100 roleplaying system designed for historical and fantasy gaming in the age of black powder weapons.'
  • RuneQuestThe RuneQuest core rules.
  • Simple 20A simple d20-based RPG.
  • SpellchromeA classless version of the d20 System.
  • Spellcraft & SwordplayA retro role-playing game that combines Chainmail and Original Dungeons & Dragons.
  • Spirit of the CenturyPulp two-fisted adventure in the 1930s.
  • SRD5A clone of Dungeons & Dragons 5th edition.
  • Star BladesScience fiction role-playing using the original Dungeons & Dragons rules.
  • Swords & WizardryA retroclone of original and whitebox Dungeons & Dragons.
  • Tech NoirA cyberpunk game that uses a d20.
  • The 52 PagesAn old school tabletop RPG with each concept explained on one page.
  • The Age of ShadowA role-playing game designed for one of the most popular fantasy trilogies of all time.
  • The Big Brown BookA take on 0E D&D that avoids using d20s altogether.
  • The Fifth World%%form_data{intro}%%
  • The Fifth WorldHumans after civilisation - a tabletop roleplaying game that has been extensively revised.
  • The Modern PathA tabletop RPG.
  • The Wizard's AmuletAn adventure for 5th edition Dungeons & Dragons.
  • Torch & SwordA retroclone of 0D&D.
  • TravellerA long-lived role-playing game with some setting details.
  • TRIC SRDA 4E clone.
  • Tri-Fold FATEThe basic rules of FATE on three pages.
  • True20A d20-based RPG.
  • Ultramodern4Dungeons & Dragons 4E rules in a modern setting.
  • VoidspannersA swashbuckling space adventure for Basic Fantasy RPG.
  • vs ElvesA supplement for vs Monsters.
  • vs MonstersA 24HRPG by Phil Reed.
  • Basic Dungeons & DragonsThe mechanics of original and basic D&D.
  • d20 SystemThe roleplaying system which first appeared in Dungeons & Dragons 3E.
  • FATEA game system based on the mechanic: dice roll + invoked and tagged Aspects.
  • Saga Machine'Saga Machine is a brand new tabletop role-playing system by the Tab Creations Collective.'
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