If installing the expansion pack you must also copy the following retail pk4 to your /d3xp folder:Īfter copying all pk4 files to your hard drive run the Linux patch and direct it to your doom3 folder. To install Doom 3 on Linux create a doom3 folder and then copy the following retail pk4 files to your doom3/base folder: For the BFG Edition, see Doom 3: BFG Edition. 10.4 Poor performance/'slow-motion' effect on Nvidia cards.10.3.1 Game won't launch correctly (Retail).10.1.4 Performance improving for low-end systems.10.1.1 Textures are low-resolution, even on Ultra quality.4.7 Enable plasma gun projectile shadows.