Video game clone grouped as "Myst clones". Some video game genres are founded by archetypal games of which all subsequent similar games are considered derivatives; notably, early first-person shooters were often called ""Doom" clones", while the success of the open-world formula in "Grand Theft Auto" led to the genre of GTA clones. The genre of endless runners is based on the success and simplicity of the game "Canabalt". In these cases, games that are "clones" of another are generally not implied to have committed any intellectual property infractions, and otherwise considered legally acceptable practices, although calling such games clones is generally considered derogatory.
Video game design of a principal game designer has begun to separate - some studios emphasising the auteur model while others emphasising a more team oriented model. Within the video game industry, video game design is usually just referred to as "game design", which is a more general term elsewhere. Video game programmers have also sometimes comprised the entire design team. This is the case of such noted designers as Sid Meier, John Romero, Chris Sawyer and Will Wright. A notable exception to this policy was Coleco, which from its very start separated the function of design and programming. As games became more