The Game System License is a license that allows third-party publishers to create products compatible with and using the intellectual property from the...

The Open Game License (OGL) is a public copyright license by Wizards of the Coast that may be used by tabletop role-playing game developers to grant permission...

the d20 System was released as the System Reference Document (SRD) under the Open Game License (OGL) as Open Game Content (OGC), which allows commercial...

copyright holders license their works under public copyright licenses that permit others to make copies or create derivative works of the game. A number of...

open gaming movement, a System Reference Document (SRD) is a reference for a role-playing game's mechanics licensed under a public copyright license to...

Coast under the Open Game License (OGL) and is intended to be backward-compatible with that edition. A new version of the game, Pathfinder Second Edition...

Role Playing Game (DCC RPG or simply DCC) is a role-playing game published by Goodman Games using the Open Game License (OGL) and System Reference Document...

These 3rd edition rules formed the basis of the d20 System, which is available under the Open Game License (OGL) for use by other publishers. D&D 4th edition...

version of the game, commonly referred to as the "license plate game," involves attempting to find a license plate from each Canadian province, U.S. or Mexican...

by Gary Gygax and Jeff Perren. Gygax developed the core medieval system of the game by expanding on rules authored by his fellow Lake Geneva Tactical...

preparing each game session, and must have a thorough understanding of the game rules. Since the inception of the Advanced Dungeons & Dragons system in 1977...

A generic or universal role-playing game system is a role-playing game system designed to be independent of campaign setting and genre. Its rules should...

The d20 System is presented under the Open Game License, which makes it an open source system for which authors can write new games and game supplements...

characters, non-player characters, and creatures. Most versions of the game feature a system in which players make two choices for characters. One is the character's...

current subscription system would be replaced by a one-time license. GameMaker Language (GML) is GameMaker's scripting language. It is an imperative, dynamically...

role-playing game playing aid program for d20 System-based games, such as Dungeons & Dragons. The software is written in Java and runs on any system that supports...

Leader, adult leader of a Scout group in the United Kingdom Game System License, a trademark license for Dungeons & Dragons Global StarCraft II League, an e-Sport...

a budget system by Majesco Entertainment between 2000 and 2002, under license from Sega. Developed as codename "Project Mercury", the Game Gear was launched...

Dragonlance to Margaret Weis's company Sovereign Press to produce game materials; this licensing agreement ran from 2001 to 2007. Dragonlance returned in 2022...

Commons (CC) license is one of several public copyright licenses that enable the free distribution of an otherwise copyrighted "work". A CC license is used...

Nintendo Famicom / Nintendo Entertainment System, most video game console manufacturers employ a strict licensing scheme that limit what games can be developed...

consists of farmers, who are organized somewhat loosely in a semi-feudal system. There are also several notable cities and trade between nations is common...

roleplaying books based on its revival of the RuneQuest roleplaying game system, starting with Lankhmar (ISBN 978-1-905471-69-0) and Lankhmar: Nehwon...

as a "Product Identity"; as such it was not released under its Open Game License. The displacer beast appears in the 4th edition Monster Manual (2008)...

fantasy gaming...intended to reproduce underlying rules used in the late 1970s to early 1980s". OSRIC uses the Open Gaming License and the System Reference...

revitalise the American gaming industry following the video game crash of 1983, and pioneered a now-standard business model of licensing third-party developers...

company is known for arcade 2D fighting game franchises, including Guilty Gear and BlazBlue, as well as other license-based fighting games for Dragon Ball...

darker side of the roleplaying game, card game, and comic book genres. Shane Lacy Hensley came up with the idea for the game Deadlands after he saw Brom's...

non-player characters, monsters, and societies in the game. Not all role-playing games have such a system, and some narrativist role-players consider such...

GameTap was an online video game service established by Turner Broadcasting System (TBS) in 2006. It provided users with classic arcade video games and...