Grumblump Inferno

Grumblump Inferno, otherwise named , is the seventh level in World Bowser from Super Mario 3D World, becoming accessible after the completion of A Beam in the Dark. Completion of this level unlocks both Motley Bossblob's Encore and Hisstocrat Returns.

Green Stars

 * Green Star 1: While riding on the second Grumblump, the Green Star is seen on a platform surrounded by lava.
 * Green Star 2: The player must activate the Green Ring and collect all 8 Green Coins to reveal the Green Star.
 * Green Star 3: The third Green Star can easily be found on the last Grumblump ride. The player just has to jump to obtain it.

Stamp

 * After the checkpoint, the stamp is right above the next Hammer Bro.

Enemies

 * Skipsqueaks
 * Fire Piranha Plants
 * Hammer Bros.
 * Splorches