Open Game License

A copyleft licence designed for games but usable elsewhere.

FAQ

One of the first announcements

Has Open Gaming been a success? (Mike Mearls)

Fast Forward Entertainment forced to destroy books for OGL violations

Website: http://www.opengamingfoundation.org/ogl.html

Status

Copyleft

Source

Wizards of the Coast

Works

• 13th Age ● 'This is the home of the 13th Age / Archmage Engine system reference document. It contains all the open content from the 13th Age RPG – the Archmage Engine.'
• 4SRD ● A project to closely clone D&D 4E.
• Action! System ● "The Action! System Core Rules provide all of the basic rules necessary to create and play a role-playing game. Create adventures and characters based on your favorite movies, TV shows or novels."
• Adventurer Conquerer King System ● 'Autarch's Adventurer Conqueror King System fulfills the promise of the original fantasy role-playing game by providing comprehensive, integrated support for play across all levels of a campaign.'
• Adventures Of The Space Patrol ● Retro-Cute Sci-Fi Role-Playing
• Alchemy System ● A modified d20 game set in its own universe.
• Animalball Melee ● A simplified d20 System for gladiatorial combat.
• Astral Dreams ● A space opera miniatures wargame.
• Backswords & Bucklers ● Fantasy dungeoncrawling in Elizabethan England.
• Basic Fantasy Role-Playing Game ● A fusion of Basic D&D with D&D 3E to create a simple, light-weight game.
• Blue Rose ● A d20-based RPG.
• Bulletproof Blues ● 'Welcome to Bulletproof Blues: a "rules light" superhero roleplaying game set in the universe of Kalos Comics.'
• Cascade Failure ● Life in a post-apocalyptic future.
• Contagion ● A free wargame.
• Core Elements ● A distillation of the d20 System in just seven pages.
• Cyberpunk Remix ● This game is about your crazy friends and family.
• D100II SRD ● This allows you to play the old d100 games.
• d20 Anime ● Play magical girls, sorcerers and mecha pilots using everyone's favourite system.
• d20 Modern ● Modern role-playing, from occult investigation to special ops and anything in between.
• d20 Open Mass Combat System ● A free wargame.
• Dangers & Dweomers ● A merger of Swords & Wizardry and Basic Fantasy.
• Dan's Diminutive D20 ● Quick and easy d20 role-playing.
• Dark Dungeons ● A tabletop RPG based on the Rules Cyclopedia.
• Dark Passages ● A modern fusion and re-organisation of 0E and 1E rules.
• Darker Dungeons ● A tabletop RPG based on a streamlined version of the Rules Cyclopedia.
• D&D4.5 ● A partial clone of D&D 4E.
• Diaspora ● Singularity FATE-based role-playing.
• DramaSystem SRD ● The basic system of the Hillfolk RPG.
• Dresden Files RPG ● A FATE RPG about modern magic.
• Dungeons & Dragons 3E ● The third edition of the world's most popular roleplaying game.
• Dungeons Daring ● A fantasy RPG designed by a committee.
• E6 ● The game inside Dungeons & Dragons.
• Epées & Sorcellerie ● A game inspired by Original Dungeons & Dragons with some modern changes.
• Errant RPG ● A fantasy role-playing game.
• Fantastic Heroes & Witchery ● An extensive tabletop RPG.
• Fantasy Craft ● %%form_data{intro}%%
• Fantasy Craft ● A fantasy RPG based on the MasterCraft engine.
• FATE 2E ● A universal game based on the FATE engine.
• Fate Accelerated Edition ● A lite version of the fractal role-playing game Fate.
• Fate Core System ● An extended version of the fractal role-playing game Fate.
• Fate System Toolkit ● A toolkit for the Fate tabletop RPG.
• For Gold & Glory ● A retroclone of 2E AD&D.
• Four Colors al Fresco ● Play a superhero in the Italian Renaissance.
• Free FATE ● A free, expanded version of FATE.
• Fudge ● An early generic RPG.
• Ghost Runner ● As 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.
• GORE ● A d%-based horror RPG.
• Grand OGL Wiki ● A collection of open game content, primarily for Dungeons & Dragons.
• GUMSHOE SRD ● 'The document is a reference for game designers, and is not tuned to teach the game, or provide a playable game experience.'
• Iridium System ● A simple and realistic system combining skills and classes.

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Sources

• Animalball Partners ● A website that hosted tabletop games.
• Artikid ● "[A]n Italian full-time web-developer, part-time illustrator and games geek."
• Bedroom Wall Press ● 'Designer of Hulks and Horrors, Heaven's Shadow, and Drums of War.'
• Beyond Belief Games ● Swords & Wizardry ports.
• Bill Browne ● RPG creator.
• Crystal Obelisk ● A collection of resources for medieval study and tabletop gaming.
• D101 Games ● A small press RPG company.
• Evil Hat Productions ● A small press RPG company.
• Goblinoid Games ● A publisher of retro-style tabletop games.
• Grand OGL Wiki ● A collection of open game content from other sources.
• Gratis Games ● A provider of free retroclones.
• Green Ronin Publishing ● An RPG publisher.
• Greg Christopher ● An author of RPGs.
• James D Hargrove ● An author.
• Justen Brown ● An author of retroclones.
• Mongoose Publishing ● A game publisher.
• Pelgrane Press ● An RPG publisher.
• Ronin Arts ● A publisher.
• Wizards of the Coast ● A game publisher.

• Basic Dungeons & Dragons ● The mechanics of original and basic D&D.
• d20 System ● The roleplaying system which first appeared in Dungeons & Dragons 3E.
• FATE ● A 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.'