Princess Peach's Castle/Basement

The basement is accessed in the First Floor after clearing Bowser in the Dark World. It contains Hazy Maze Cave, Lethal Lava Land, Dire, Dire Docks, Shifting Sand Land, Bowser in the Fire Sea, and Wing Mario over the Rainbow.

Castle Dungeon
Main Article: Castle Dungeon

Wario Apparition
Main Article: Wario Apparition

Floating MIPS
Main Article: Floating MIPS