Game Dev Tycoon is a business simulation video game that was released on December 10, 2012. In the game, the player creates and publishes video games. Game Dev Tycoon was inspired by the iOS and Android game, Game Dev Story (by Kairosoft), and many critics find substantial similarities between the two games. Game Dev Tycoon was created by Greenheart Games, a company founded in July 2012 by brothers Patrick and Daniel Klug.