Would you like to learn how to export your scenes to the MAP file format? This is a format supported by some Id software's games like Quake. If you want to create scenarios for these games with Blender, a very interesting tutorial shows how to export and setup models to this file format.
Besides the export options, the tutorial explain a few details like how to setup materials, UVW Mapping, Scaling the models and more. If you want to check out, visit this link.