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.[4] On December 23, 2020, Tencent bought Leyou for 1.3 billion dollars, which included the majority stake in Digital Extremes that Leyou held.