Jungle Rumble

Jungle Rumble, also called Floor 4 (Floor 3 in the British English version), is the fourth floor in Mario vs. Donkey Kong: Minis March Again!. The focus of this floor are the Color Blocks, which can be changed from solid to clear and vice-versa by pressing a Color Switch of corresponding color. Color Switches can also be used to turn some enemies, such as Shy Guys and Polterguys, into harmless blocks. Snifits and Polterguys are introduced on this floor while Shy Guys, Capture Kongs and Circus Kongs make a return. Defeating Donkey Kong on this floor grants access to the Jungle Rumble Construction Kit in the Construction Zone, which contains all the elements present on this floor.

The background consists of a dense palm tree jungle over a blue sky painted on a wall. The music is the same as in Jungle Hijinks from Mario vs. Donkey Kong 2: March of the Minis, being a rendition of the "DK Island Swing" track from Donkey Kong Country.

New elements
This floor contains a single tutorial level that showcases Color Blocks. The player can access and play it by tapping on the "?" icon in the bottom right corner of this floor's level select screen.

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Color Blocks
!rowspan=2|In-game description !align=center|American English version !align=center|British English version
 * align=center|''Color blocks have two forms, clear and solid.
 * align=center|''Color blocks have two forms, clear and solid.

''When the blocks are clear, Mini Mario can walk through them. When the blocks are solid, he can walk on them.

''When Mini Mario jumps on a switch of matching color, each block will change to its alternate form.
 * align=center|''Colour blocks have two forms, clear and solid.

''When the blocks are clear, mini toys can walk through them. When the blocks are solid, they can walk on them.

''When mini toys jump on a colour switch, each block of that colour will change to its alternative form. !Tutorial overview
 * colspan=2|The player should activate the mini and wait for it to walk past some clear Red Color Blocks arranged like a staircase, press a Red Color Switch at the other side of the course to turn these blocks solid, then change direction and climb the Color Blocks in order to reach the Goal Door.
 * }

Plus Mode
In Plus Mode, this floor is subtitled Floor 4+ (Floor 3+ in the British English version). Conveyor Belts, Rotate Pipes, Pokeys and a Thwomp, which were absent in the floor's Normal Mode counterpart, make an appearance in Plus Mode version. Beating Jungle Rumble in Plus Mode adds all of these elements to the floor's corresponding Construction Kit.

The backdrop of this floor is nearly identical to the Normal Mode counterpart, except for the light-purple sky. The soundtracks that play in Rooms 4-1+, 4-2+, 4-4+, 4-5+, 4-7+, 4-Key+ and 4-SP+ are arrangements of the first two soundtracks of Fire Mountain from Mario vs. Donkey Kong, while the track that plays in Rooms 4-3+ and 4-6+ is an arrangement of the fourth soundtrack of Twilight City, also from Mario vs. Donkey Kong.