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.
Dragon Knight (video game series) Dragon Knight (video game series) Dragon Knight (ドラゴンナイト) is an eroge/role-playing video game series by the game company ELF. There are four "Dragon Knight" games released between 1989 and 1997. There is also a hentai OVA series based on it, as well as some other media including audio CDs, novels and comic books. "Dragon Knight" is set in a sword and sorcery setting and mostly tell the story of Yamato Takeru (no relation with the historical figure of Yamato Takeru), a wayward young swordsman dedicated to saving damsels and fighting evil. The first OVA was released by Polystar on VHS