World 15 (Dr. Mario World)
World 15 is a sunset cloud world with floating platforms resembling Bouncy Cloud Boomerangs from New Super Mario Bros. U in Dr. Mario World. The first area is available as of 2 AM PT on Apr. 26, 2020, while the second area, challenge stages and special stage are available as of 2 AM PT on May. 14, 2020.
Stage layouts for scrolling stages