
Originally, UT2004 was supposed to be backwards compatible with UT2003: 2003 players could play on 2004 servers and vice versa.

Streamline Studios designed the single-player introduction cutscene and collaborated with Psyonix on ONS-Torlan.

Psyonix designed and implemented the Onslaught gametype (including new vehicles, weapons and the Energy Turret), 7 maps for the Onslaught gametype, and the new model for the Translocatorĭigital Extremes created 13 new maps and two new characters, as well as the new HUD design and new models for the Assault Rifle, Shock Rifle, and Link Gun. Specifically, Epic developed the new user interface, VoIP, voice command support for bots, 31 new characters, 31 new maps, design and implementation of the Assault gametype for inclusion in UT2004 (including new vehicles and turrets), and the new Sniper Rifle. Epic collaborated with several other development studios in the creation of UT2004. 6.3 UT2004 and Windows 7 Firewall IssuesĮpic Games was the primary developer for the bulk of UT2004, which consisted mainly of building upon the work done for UT2003.
