Home Documentation Mapping Mapping · 3 guides Level Design Guides Guides for Radiant workflows, playable spaces, visual setup, and map-specific technical setup. mapping Painting Volume Decals Paint volume decals in Radiant for better material blending. Guide→ mapping Isolated Zones Zones where zombies only spawn while a player is inside. Guide→ mapping Splitting Large Zones Split one large area into adjacent zones to keep spawning close. Guide→