Sourcewatch GDD

Sourcewatch's GDD is one of the most extensive, going over not just our designs for the game, but also some quirks about Garry's Mod, and how they affect the game and our decisions for it.

Downhill Kings GDD

Downhill Kings' GDD was one of my first, and also still my favorite. It is a very creative concept, fully illustrated by the document.

VisionaryVR GDD

Visionary's GDD is still a good concept and interesting material, even if the game itself didn't make it anywhere in development.