Map name
Skybox side length (HU)
Min 500, max 2500. This is the full inside side length of the skybox walls/floor/ceiling.
Seed (optional)
Grid size (HU)
Snapping used for placement + brush sizes. Default 16.
Content toggles Generate blocks (brush obstacles) Generate props (prop_static) Generate NPCs
GENERATE .VMF
After downloading, open the VMF in Hammer and compile (VBSP/VVIS/VRAD).