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GtkRadiant is the official level design toolchain for games powered by id Tech engines from id Software, and is maintained by a community of volunteers. GtkRadiant is powered by the GTK+ Project and released under a GPL license.

Mac OS XEdit

These instructions may change as software is updated. This guide was created with Mac OS X 10.9.1, Gtk Radiant 1.6.4, XQuartz 2.7.5, and MacPorts 2.2.1. If you use a different version and succeed, you are more than welcome to contribute your experience here!


The first thing you need before GtkRadiant will work is X Windows, a window manager for linux-based software that will run in OS X. Download xQuartz and run the installer package. Easy.


Have X set up? Next, you need to download Radiant. Just copy the GtkRadiant app to your Applications folder.

Set up a clean game folderEdit

Assuming you already have Urban Terror installed, you can open a Finder window and navigate to /Applications/UrbanTerror/ or wherever your game was installed. Decide where you would like to have your new map development copy, and copy the whole installation to the new location. For example, ~/mapdev/ (that ~ means your user home folder, like /Users/name/mapdev/).

Test GtkRadiantEdit

Now that you have XQuartz, Radiant, and a clean game folder, open Radiant. Radiant will cause XQuartz to launch, and after a brief wait, a new GtkRadiant window will appear asking to set up a new game. Select "other," find "Urban Terror (Standalone)." Set the game folder to the fresh game folder you just created in the previous step (not q3ut4, but the folder where is). Then continue. You can check the box to launch the game on startup if you don't want Radiant to ask you which game to use every time.

That's it! The basic GtkRadiant should be set up at this point and you have a new window open and ready!

No icons?Edit

If the row of icons at the top are all red X's, just follow this simple procedure, download and install MacPorts. Another simple installation package; just open it and follow the steps.

When done installing, first, quit Radiant and XQuartz. Then, open a new Terminal window (/Applications/Utilities/Terminal). Enter the following command:

sudo port install dylibbundler gcc48 gtkglext scons

Enter your password when prompted (you won't see anything appear on screen as you type, but it's working, just type the password like normal). Allow the command to run; it's downloading and installing support files. It may appear frozen while processing some of the larger files, but don't worry. It should finish in under an hour.

If everything went okay, you can now re-launch Radiant and the icons should be visible.

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