Quarry levels were added in 1.4 this is when the level uses the gray quarry mine tileset and spawns grey & brown slimes as well as Haunted Skulls.

Monster and slime infestations are persistent in all versions and can be revisited multiple times per day.Mushroom levels respawn in version 1.3 and earlier, but starting in 1.4, mushrooms will only appear on your first visit.This calendar showss the prediction of various special levels in