Grumblump Inferno

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Grumblump Inferno
Grumblump Inferno from Super Mario 3D World.
Level code World Bowser-7
World World Bowser
Game Super Mario 3D World
Super Mario 3D World + Bowser's Fury
Time limit 400 seconds
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Grumblump Inferno, otherwise named World Bowser-7, is the seventh standard course and eighth overall level in World Bowser from Super Mario 3D World and its Nintendo Switch port Super Mario 3D World + Bowser's Fury, becoming accessible after the completion of A Beam in the Dark. It is the only appearance of the Grumblump, a block-like object that the player uses to traverse the lava. Completion of this level unlocks both Motley Bossblob's Encore and Hisstocrat Returns.


This level starts on a platform with a Grumblump nearby. The Grumblump takes the player to another one, the only difference between them being that the second Grumblump is cube shaped. After navigating past some lava pathways, the player eventually reaches another platform with two Hammer Bros. and the Checkpoint Flag. The third Grumblump takes the player to another platform which houses some Splorches. The fourth and final Grumblump eventually transports the player to the Goal Pole.

Green Stars[edit]

  • Green Star 1: While riding on the second Grumblump, the Green Star is seen on a platform surrounded by lava. (See Picture)
  • Green Star 2: The player must activate the Green Ring and collect all eight 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.


Wii U version
Switch version


Names in other languages[edit]

Language Name Meaning
Japanese ゴトゴトンの溶岩谷
Gotogoton no yōgandani
Grumblump's Lava Valley

Chinese 滾滾方塊的熔岩谷
Gǔngǔnfāngkuài de Róngyángǔ
Grumplump's Lava Valley

Dutch Grumblumps slotgracht
Grumblump's moat
French Balade à dos de Badabam
Ride on the back of Grumblumps
German Wumpel-Inferno
Grumblump Inferno
Italian Vallemagma dei Rimbomblocchi
Grumblump's Magmavalley
Korean 덜컥덜컥의 용암 골짜기
Deolkeok-deolkeok-ui Yong'am Goljjakgi
Grumblump's Lava Valley

Portuguese Volta-face no vale infernal
Grumblump in the infernal valley
Russian Бадабам в море магмы
Badabam v more magmy
Grumblump in the magma sea

Spanish Rodando por el valle de lava
Rolling through the lava valley