Unreal Tournament 2004 is a first-person arena shooter video game developed by Epic Games and Digital Extremes. Part of the Unreal franchise, it is the third game in the Unreal Tournament series and the sequel to Unreal Tournament 2003. Among significant changes to gameplay mechanics and visual presentation, one of the major additions introduced by Unreal Tournament 2004 is the inclusion of vehicles and the Onslaught game type, allowing for large-scale battles.