Digital Extremes Ltd. is a Canadian video game developer founded in 1993 by James Schmalz. They are best known for creating Warframe, a free-to-play cooperative online action game, and co-creating Epic Games' Unreal series of games. Digital Extremes is headquartered in London, Ontario. In 2014, 61% of the company was sold to Chinese holding company Multi Dynamic, now Leyou, for $73 million. On May 22, 2016 Leyou exercised a call option and increased their stake to 97% of Digital Extremes for a total consideration of $138.2 million US. On December 23, 2020, Tencent bought Leyou for 1.3 billion dollars, which included the majority stake in Digital Extremes that Leyou held.

Epic Games, Inc. is an American video game and software developer and publisher 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 its first commercial video game release, ZZT (1991), the company became Epic MegaGames, Inc. in early 1992 and brought on Mark Rein, who has been its vice president since. After moving the headquarters to Cary in 1999, the studio changed its name to Epic Games.