Dungeons & Dragons is a fantasy tabletop role-playing game (RPG) originally created and designed by Gary Gygax and Dave Arneson. The game was first published in 1974 by Tactical Studies Rules, Inc. (TSR). It has been published by Wizards of the Coast, now a subsidiary of Hasbro, since 1997. The game was derived from miniature wargames, with a variation of the 1971 game Chainmail serving as the initial rule system. D&D's publication is commonly recognized as the beginning of modern role-playing games and the role-playing game industry, and also deeply influenced video games, especially the role-playing video game genre.
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. The system is named after the 20-sided dice which are central to the core mechanics of many actions in the game.
HackMaster is a fantasy role-playing game produced by Kenzer & Company. It began as a fictional game, a parody of Dungeons & Dragons played by the characters of the Knights of the Dinner Table comic strip by Jolly R. Blackburn. The characters in the comic began playing fictional HackMaster 3rd Edition, which was updated and published in 2001 as a numerously revised 4th edition. It has been hinted the name of the game was originally changed for copyright reasons.
Open gaming is a movement within the tabletop role-playing game (RPG) industry with superficial similarities to the open source software movement. The key aspect is that copyright holders license their works under public copyright licenses that permit others to make copies or create derivative works of the game.
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 to modify, copy, and redistribute some of the content designed for their games, notably game mechanics. However, they must share-alike copies and derivative works.
The Kingdoms of Kalamar is a fantasy role-playing game campaign setting created by Kenzer and Company, originally released in 1994. In 2000, shortly after Wizards of the Coast announced the 3rd edition of Dungeons & Dragons, Wizards and Kenzer jointly announced that Kenzer had acquired a rights to produce the Kalamar setting as a Dungeons & Dragons official licensed product.
Mongoose Publishing is a British manufacturer of role-playing games, miniatures, and card games, publishing material since 2001. Its licenses include products based on the science fiction properties Traveller, Judge Dredd, and Paranoia, as well as fantasy titles.
Dungeon Crawl Classics Role Playing Game is a role-playing game published by Goodman Games using the Open Game License (OGL) and System Reference Document (SRD) version 3.5 to provide legal compatibility with the revised third edition of Dungeons & Dragons.
Goodman Games is an American game publisher best known for the Dungeon Crawl Classics series of adventure modules and role-playing game, its science fiction offshoot Mutant Crawl Classics, and Original Adventures Reincarnated, a line of updated, annotated, and expanded republications of classic RPG adventures and supplements, mostly from TSR, Inc.'s Advanced Dungeons & Dragons. Additionally, Goodman Games produces RPGs using versions of the DCC rules for Fritz Leiber's Lankhmar and Jack Vance's Dying Earth settings, under license. The company has also produced licensed adventures for Wicked Fantasy Factory, Judges Guild, Xcrawl, Iron Heroes, Castles and Crusades, and Death Dealer.
The Game System License is a license that allows third-party publishers to create products compatible with and using the intellectual property from the 4th edition of Dungeons & Dragons (D&D). It was released to the public by Wizards of the Coast (WotC) on June 17, 2008.
The Pathfinder Roleplaying Game is a fantasy role-playing game (RPG) that was published in 2009 by Paizo Publishing. The first edition extends and modifies the System Reference Document (SRD) based on the revised 3rd edition Dungeons & Dragons (D&D) published by Wizards of the Coast under the Open Game License (OGL) and is intended to be backward-compatible with that edition.
Jason Carl is a game designer who has worked on a number of roleplaying games for companies such as White Wolf, TSR and Wizards of the Coast, Kenzer & Company, and Exile Game Studio. He is currently the Brand Marketing Manager of Paradox Interactive's World of Darkness property.
Owen K.C. Stephens is a game designer who has worked on a number of products for the Starfinder, Pathfinder and Star Wars Roleplaying Game and other games.
A tabletop role-playing game, also known as a pen-and-paper role-playing game, is a classification for a role-playing game (RPG) in which the participants describe their characters' actions through speech, and sometimes movements. Participants determine the actions of their characters based on their characterization, and the actions succeed or fail according to a set formal system of rules and guidelines, usually containing Dice-Rolling. Within the rules, players have the freedom to improvise; their choices shape the direction and outcome of the game.
Ryan S. Dancey is a businessman who has worked primarily in the collectible card game and role-playing game industries. He was vice president in charge of Dungeons & Dragons at Wizards of the Coast.
13th Age is a d20 fantasy role-playing game designed by Rob Heinsoo and Jonathan Tweet, and published by Pelgrane Press. 13th Age has been well supported with over 25 supplements published since its 2013 release, the most recent in 2022.
David S. Kenzer is a game designer who has worked primarily on role-playing games.
Eldritch Role-Playing System is a role-playing game published by Goodman Games in 2008.
Kobold Press, also known as Open Design, is an American game company that produces role-playing games and game supplements.
The Kingdoms of Kalamar is a fantasy role-playing game campaign setting published by Kenzer & Company in 1994 that is compatible with the second edition of Advanced Dungeons & Dragons published by TSR. Several other editions of the game were subsequently released as new editions of Dungeons & Dragons were published.
