Unreal Championship 1 is a first-person shooter video game for the Xbox. It was developed by Epic Games and published by Microsoft Game Studios. The game is a reboot of the original Unreal Engine game series, and is the first title in the Epic Games Store. Unreal Championship 1 pits players against one another in large-scale, online matches, or in single-player campaigns. Players can create and share custom maps with others, or join online tournaments to earn rewards. In addition to the multiplayer modes, Unreal Championship 1 also offers a co-operative multiplayer mode, in which players work together to take down their opponents.