Here is a short guide on how to setup ioquake3 on Linux using the assets from the GOG Quake 3 Gold installer (it's not rocket science really, but I thought it might be useful for someone at least):

1. Download ioquake3 either for x86 or x86_64 from: ioquake3.org/get-it/

2. Run the installer and unpack ioquake3 to a folder of your choice, let's say... ~/ioquake3

3. Extract the contents of the baseq3 and missionpack folders from the GOG installer (or alternatively install the game with wine to have them available)

4. Copy the contents of baseq3 and missionpack in the respective folders under ~/ioquake3

5. Run ./ioquake3 to play.

That's it.

For any issues refer to: http://wiki.ioquake3.org/Players_Guide

Have fun playing Quake 3 on Linux!

thanks, so how do I extract the contents from the gog installer without using wine to install the game? (point 3)

oh cool. thanks alot :D

Edit: Nevermind :). I just remembered windows installers can't be directly unzipped.

Innoextract is the way to go.

It is kinda frustrating because it means my "Linux playability" threads are not read much... Oh, well.

Cool guide. I'll have a look once I get around to playing Quake.

I don't think there are a lot of people looking over the Quake forum threads, but thanks for putting the effort of compiling a guide. It will be there for people that seek it ;).