World 9 is the final world from New Super Mario Bros WiiIt is a special world unlocked by defeating Bowser in World 8Bowser's CastleEach 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 91Each level features theThese are all the possible combinations for the minigame Powerup Panels of New Super Mario Bros Wii in each world Green colors are indicated to be safe spots There is also an open source tool MarioWiiPowerUps that helps finding the correct panel This video shows all of the powerups in New Super Mario Bros Wii using a mod to play as Metal Mario, Green Bronze Luigi, Blue Diamond Toads and Pink This video shows all of the powerups in New Super Mario Bros Wii using a mod to play as Sonic the Hedgehog The 8 items in this game are Mushroom, Yoshi
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