: Included several high-quality fan-made mods like AirBuccaneers , Alien Swarm , and Frag.Ops . Game Modes Overview

: Due to its advanced (for the time) AI and physics, UT2004 has frequently been used in academic research to study human-computer interaction and response speeds.

: A futuristic "football" style mode where teams must carry a ball into the enemy's goal. Legacy and Modern Play