Grumblump Inferno

Level
Grumblump Inferno
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 Grumblumps, living blocks that roll along preset paths on the lava. Completion of this level unlocks both Motley Bossblob's Encore and Hisstocrat Returns.

Layout

The level is set above a sea of lava, with isolated castle-esque structures found throughout. It starts on a platform with a wide Grumblump nearby. As the player steps on the Grumblump, two Skipsqueaks drop down onto it and walk along the sides as it rolls, demonstrating to the player how to maneuver while riding it. The Grumblump follows a short straight path to a smaller island and another Grumblump, this one cube-shaped. It follows a more intricate path, including two drops and two Fire Piranha Plants on pillars by the sides of the course. What follows is a sizeable section on solid ground, starting with a platform with some ? Blocks, an arched bridge leading to two Hammer Bros, and a sequence of Jump Panels that elevate the player to the Checkpoint Flag.

The third Grumblump slides down a lava slope, ending up between two Hammer Bros before a second slope, taking the player to an island which houses some Splorches. The fourth and final Grumblump is wide and transports couples of Skipsqueaks, similarly to the first one. After a long path with several turns and a final sliding section, it eventually transports the player to the Goal Pole.

Collectables

Green Stars

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

Stamp

Image	Location
	After the checkpoint, the stamp is right above the next Hammer Bro and the player must make a risky jump to get it. The stamp is a Skipsqueak.

Enemies

Image	Name	Count
	Grumblump	4
	Skipsqueak	6
	Fire Piranha Plant	3
	Hammer Bro	4
	Splorch	5 (can infinitely respawn)

Names in other languages

Language	Name	Meaning	Notes
Japanese	ゴトゴトンの溶岩谷[?] Gotogoton no yōgandani	Grumblump's Lava Valley
Chinese (simplified)	滚滚方块的熔岩谷[?] Gǔngǔnfāngkuài de Róngyángǔ	Grumplump's Lava Valley
Chinese (traditional)	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