World 9 (New Super Mario Bros. Wii)

	World
	World 9
Appearance	New Super Mario Bros. Wii
Levels	8
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This article is about World 9 from New Super Mario Bros. Wii. For other uses, see World 9.

World 9 on the world select screen.

World 9 is the final world from New Super Mario Bros. Wii. It is a special world unlocked by defeating Bowser in World 8-Bowser's Castle. Each of the eight levels in this world is unlocked by collecting all of the Star Coins in the world of the corresponding level number. For example, collecting all Star Coins in World 1 will unlock World 9-1. Each level features the background and a music track from one of the previous eight worlds.

The levels in World 9 are among the most difficult in the game, and none of them have midway points in them, which adds to the world's challenge (like the Special Zone from Super Mario World). The rainbow theme is similar to the Rainbow Road courses in the Mario Kart series. World 9 has a total of 24 Star Coins, which are needed if the player wants to get all five stars on their profile on the file select screen. Unlike in previous worlds, the levels can be played in any order, and no Fortresses or Castles (or levels based on them) appear in this world.

Peach alludes to this world in the first ending, where she asks Mario if she ever told him about the secret world while departing back for the Mushroom Kingdom.

Levels[edit]

Level	Preview	Description
World 9-1		The first level of World 9 world is sky-themed and has the background from World 1. There are spinning rectangle platforms throughout the level. Read more...
World 9-2		This stage takes place in the beach setting from World 4. The player must get to the goal while avoiding a Porcupuffer and many Koopa Troopas. Read more...
World 9-3		This course has the background of World 6. It features Missile Bills and King Bills. Read more...
World 9-4		This course takes place over the desert landscape of World 2 and is auto-scrolling. Read more...
World 9-5		This is an icy course based on World 3, where the player must get to the top of the Icy Mountain while avoiding Cooligans, Fuzzies, and Big Fuzzies. Read more...
World 9-6		This volcanic course is based on World 8 and contains numerous platforms which emerge from and descend into lava. Read more...
World 9-7		This course, based on World 5 takes place in a snowy forest, with floors made of ice blocks containing Munchers and pipes containing Venus Fire Traps. Read more...
World 9-8		The last course of the game is an auto-scrolling sky level, based on aerial bonus rooms, which features King Bills as well as a host of other enemies. Read more...