This includes notably hidden Build/Buy objects and Spawners, as well as the Tomb Room Marker, Hidden Room Marker, Public Room Marker, Level Skip Marker, Seasonal Lot Marker and Fog Emitter. This unlocks under the Debug (?): Tomb Objects, Underwater Objects, Fish Spawners, Plants and Seed Spawners, Rock/Metal/Gem Spawners, Insect Spawners and Misc.