###From demo to a series
Unreal Tournament series began life as a technological demo, which showed the graphics capabilities of the Epic Games’ engine Unreal. It was first shown in 1998 together with the first game of the series. The fourth part of the game uses version 2.5 and is the sequel to Unreal Tournament 2003.

###The story
Famous designer Cliff Bleszinski led the team of developers on this one. He is known for such games as Jack The Jazz Rabbit and Gears of War. The game takes place in a fictional universe where people are involved in an endless war with aliens named Skaarj. For the moral support of the colonists, who need to restore their home planet, the Liandri Corporation came up with a gladiatorial tournament where miners compete with each other. The action of Unreal Tournament 2004 begins in the tenth anniversary year, in which the Skaarj Empire sent its representatives to participate.

###Key features
Gameplay-wise game is a first-person shooter, with the ability to participate in single battles and in multiplayer matches. The game has more than a hundred maps and ten game modes, which at the time when the game was released made it almost the most massive of all online shooters. Vehicles also appeared in UT2004, – to get around huge open maps.