Unreal Championship is a first-person arena shooter video game developed by Digital Extremes and Epic Games, published by Infogrames, and released for the Xbox. Part of the Unreal franchise, Unreal Championship is the console version of Unreal Tournament 2003, and was developed to take advantage of Xbox Live. The game is notable for being the first ever console game to receive a downloadable patch. In 2003 Unreal Championship was added to the Xbox "Platinum Hits" line.

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.