World 9 (Dr. Mario World)
World 9 is a jungle-themed world in Dr. Mario World. The first area is available as of 3 AM PT on Oct. 31, 2019, while the second area, challenge stages and special stage are available as of 2 AM PT on Nov. 21, 2019.
When the areas are cleared, Goombrats, Scuttlebugs and Wigglers appear. The viruses featured in the regular stages are red, yellow and blue, while in the challenge stages, the featured viruses are green, light-blue and pink.
Stage layouts for scrolling stages
Stage layouts in previous versions