Installation help for Doom 3 (linux binaries)

Download the linux binaries for doom 3 game from the net.

doom3-CD1.iso

doom3-CD2.iso

doom3-CD3.iso

Mount the image via loopback device 
mount -t iso9660 /path/to/doom3-CD1.iso /mnt/cdrom/ -o loop 

Install the linux client 
sh /mnt/cdrom/doom3-linux-1.1.1286.x86.run 

Now, install the game files 
cd /usr/local/games/doom3/base 
tar -xjvf /mnt/cdrom/files-1.tar.bz2 
umount /mnt/cdrom 

Do the same for the remaining images 
mount -t iso9660 /path/to/doom3-CD2.iso /mnt/cdrom/ -o loop 
tar -xjvf /mnt/cdrom/files-2.tar.bz2 
umount /mnt/cdrom 

mount -t iso9660 /path/to/doom3-CD3.iso /mnt/cdrom/ -o loop 
tar -xjvf /mnt/cdrom/files-3.tar.bz2 
umount /mnt/cdrom 

Now you can execute: 
doom3

If u have probelms with the sound in doom 3 run doom3 using this 
doom3 +set s_driver oss 

If the above also didnt work.. Restart ur system after using the above command and now it will work fine..