Je pense pourtant que ça devrait jouer :
" Minimum System Requirements: Macintosh 933MHz/G4-G5 or faster processor, Mac OS X v10.2.8 or higher, 256MB RAM, 32MB AGP Video Card, DVD Drive, 6GB hard disk space. Internet or LAN connection required for online play. ( Note: Some maps and game types playable on 800MHz, or faster, processors)."
http://www.macsoftgames.com/products/ut2k4/MacSoft-UT2K4.html
Tu dois avoir un problème avec ton ordinateur Applz.