Broken Blue Bully Belt
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Broken Blue Bully Belt (Broken Boiling Blue Belt in PAL regions), or World 
Mushroom-7, is the seventh level of World Mushroom in Super Mario 3D World. It is unlocked after completing Gigantic Seasick Wreck, and its own completion unlocks World Flower and its first level, Switch Shock Circus. The player needs 240 Green Stars to unlock this level.
Layout
The level, similar to its counterpart in normal worlds, consists of blue lava that can instantly defeat Mario and his allies. Although there are Bullies in the previous version, this version has none present, despite the name and map icon, but instead, it has even fewer platforms. Super Leaves are now found in the ? Blocks to help make traversing the lava easier, due to the significant decrease in platforms.
Green Stars
- Green Star 1: Near the start of the level, sitting atop a sinking platform.
- Green Star 2: Above a platform with rotating spiked rollers in the first major area with sinking platforms.
- Green Star 3: Past the pipe leading to the Goal Pole, on top of an invisible platform. The player must be Tanooki Mario to grab this Green Star.
Enemies
Names in other languages
| Language | Name | Meaning | Notes |
|---|---|---|---|
| Japanese | こわれかけのアッチッちたい[?] Koware kake no at-chit-chitai |
Nearly Broken Ouch, Ouch! Area | |
| Dutch | Terugkeer naar het blauwe meer[?] | Return to the blue lake | |
| Portuguese | Travessia do fosso incandescente[?] | Crossing the incandescent moat | |
| Russian | Сумбур на синем море магмы[?] Sumbur na sinem more magmy |
Welter on the blue magma sea | |
| Spanish (NOE) | Sigue la flecha sin caer en la brecha[?] | Follow the arrow without falling in the breach |
