Soda Jungle

Soda Jungle is the jungle-themed fifth world of New Super Mario Bros. U, New Super Luigi U, and New Super Mario Bros. U Deluxe. It is the largest world in the game, both physically and in terms of courses. It is inspired by Giant Land from Super Mario Bros. 3, Forest of Illusion from Super Mario World, and World 4 from New Super Mario Bros. in terms of appearance, layout, and theme, as the jungle is giant-themed within both the world map and the normal levels and features big enemies or big variations of small enemies, like Big Goombas and Big Koopa Troopas. The dead trees in the center of the jungle leads to a haunted area, containing a few extra courses, including Boo Enemy Courses. This also makes this world the only world in New Super Mario Bros. U with more than one section. When the player enters the area, the area pixelates before loading again, similar to the transition screen in Super Mario World. The name is derived from soda as a reference to the poison in the world. There are twelve levels in this world, with the first Airship level appearing before entering the section, five normal levels in the outer areas, two that are in the haunted area along with the second Ghost House and the Boo Enemy Courses, a secret level, the Tower level and Castle level. Three Toad Houses can be found here as well, one green and two red. The boss of this world is Iggy Koopa.

There are several ways to enter this world. Completing Sparkling Waters or Frosted Glacier will bring Mario to The Mighty Cannonship (All Aboard! in New Super Luigi U), the first airship in the game. However, completing Acorn Plains and Layer-Cake Desert's secret levels will immediately take Mario to Soda Jungle. Thus, every world before Soda Jungle leads to the latter, either by a world-skipping shortcut or completing the previous world's castle. Soda Jungle also leads to every world afterward besides Peach's Castle and Superstar Road.

In the haunted area in Soda Jungle, Mario must take an alternate exit in either Painted Swampland or Deepsea Ruins (Painted Pipeworks or Deepsea Stone-Eyes for Luigi in New Super Luigi U) in order to create a pathway that will allow him to leave the haunted area and proceed through the world, in a manner similar to the Forest of Illusion in Super Mario World; taking the normal paths otherwise in either stage will bring him back to the pathway in front of Which-Way Labyrinth (Boo's Favorite Haunt in New Super Luigi U).

Challenge Mode courses

 * Airship 1-Up Rally - 1-Up Rally
 * Be Gentle to Giants - Special
 * Big Goomba Bounce Bash - 1-Up Rally
 * Bowser's Airship Sneak - Special
 * Marathon Glide - Special
 * Poison-Swamp Scramble - Time Attack
 * The Boo Ballet - Time Attack (Original Course)
 * The Boo-Ballet Encore - Time Attack (Original Course)
 * Piranha Plant Hideaway - Boost Mode Challenges (Original Course)

Boost Rush courses

 * Painted Swampland – Expert Pack
 * Iggy's Volcanic Castle – Expert Pack

New Super Mario Bros. U

 * Cannons
 * Cannonballs
 * Giant cannonballs
 * Mechakoopas
 * Red Torpedo Bases
 * Targeting Teds
 * Mecha Cheeps
 * Mecha Hand (minor)
 * Big Goombas
 * Big Koopa Troopas
 * Bramballs
 * Stalking Piranha Plants
 * Amps
 * Big Amps
 * Spinners
 * Broozers
 * Scaredy Rats
 * Bulbers
 * Jellybeams
 * Wigglers
 * Big Wigglers
 * Para-Beetles
 * Heavy Para-Beetles
 * King Bills
 * Magmaarghs
 * Boss: Bowser Jr.
 * Boss: Iggy Koopa

New Super Luigi U

 * Mechakoopas
 * Boomerang Bros.
 * Ice Bros.
 * Sledge Bros.
 * Big Koopa Troopas
 * Paratroopas
 * Bramballs
 * Spinners
 * Sumo Bros.
 * Big Wigglers
 * Magmaarghs
 * Para-Beetles
 * Heavy Para-Beetles
 * Boss: Bowser Jr.
 * Boss: Iggy Koopa

Super Mario Run
Soda Jungle is the setting of Scuttlebug Forest and Spike Bar Jungle, two of the levels in World Star of Super Mario Run.

Monopoly Gamer
Soda Jungle is the ninth property on the game board in Monopoly Gamer. It is one of two properties in the Red Color Set (along with Painted Swampland).

Super Mario Maker 2
In Super Mario Maker 2, Soda Jungle appears as the forest theme in the New Super Mario Bros. U style. The bottom of the level has adjustable water, which is replaced by poison in the nighttime variant.

Trivia

 * This is the only world in the game to have an English name actually transliterated from the original Japanese.
 * Soda Jungle, Meringue Clouds, and Layer-Cake Desert are the only three worlds to have three Toad Houses, two red and one green.
 * The Jungle area in Mario Golf: World Tour resembles this world.

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