World 31 is the last world in Dr. Mario World, and is set on a stormy clifftop. The first area is available as of 12 PM PT on Jul. 28, 2021, while the second area, challenge stages and special stage are available as of 11 PM PT on Aug. 11, 2021.
Unlike the rest of the worlds, no familiar Mario-related species appear when an area is cleared, but instead only plants and crystals appear. The viruses featured in the regular stages are red, blue and yellow.
Stage layouts for scrolling stages