<P> Epic Games, Inc. (formerly Potomac Computer Systems and later Epic MegaGames, Inc .) is an American video game and software development corporation based in Cary, North Carolina . The company was founded by Tim Sweeney as Potomac Computer Systems in 1991, originally located in his parents' house in Potomac, Maryland . Following his first commercial video game release, ZZT (1991), the company became Epic MegaGames in early 1992, and brought on Mark Rein, who is the company's vice president to date . Moving their headquarters to Cary in 1999, the studio's name was simplified to Epic Games . </P> <P> Epic Games develops the Unreal Engine, a commercially available game engine which also powers their internally developed video games, such as Fortnite and the Unreal, Gears of War and Infinity Blade series . In 2014, Unreal Engine was named the "most successful videogame engine" by Guinness World Records . </P> <P> Epic Games owns video game developer Chair Entertainment and cloud - based software developer Cloudgine, and operates eponymous sub-studios in Seattle, England, Berlin, Yokohama and Seoul . Key personnel at Epic Games include chief executive officer Tim Sweeney, lead programmer Steve Polge and art director Chris Perna . Tencent acquired a 40% stake in the company in 2012, after Epic Games realized that the video game industry was heavily developing towards the games as a service model . </P> <P> Potomac Computer Systems was founded by Tim Sweeney in 1991 . At the time, Sweeney was studying mechanical engineering at the University of Maryland . Though he lived in a dorm located in Potomac, Maryland, he frequently visited his parents, who lived in the same town, where his personal computer, used for both work and leisure, was situated . Out of this location, Sweeney started Potomac Computer Systems as a computer consulting business, but later figured that it would be too much work he would have to put into keeping the business stable, and scrapped the idea . </P>

Who owns the other 60 of epic games
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