David "Zeb" Cook is a game designer best known for his over 15 years working at TSR, Inc. on Role-playing game design, particularly his lead in the work on Advanced Dungeons & Dragons 2nd Edition and Planescape campaign setting. He is also known as the the lead designer on the City of Villains computer game. TSR, Inc. ... A role-playing game (RPG, often roleplaying game) is a type of game in which the participants assume the roles of fictional characters and collaboratively create or follow stories. ... This article is about the role-playing game. ... Planescape - Wikipedia, the free encyclopedia /**/ @import /skins-1. ... City of Villains is a massively multiplayer online role-playing computer game based on the superhero comic book genre, developed by Cryptic Studios and published by NCSoft. ... A computer game is a game composed of a computer-controlled virtual universe that players interact with in order to achieve a defined goal or set of goals. ...

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Bibliography at Pen & Paper.