World 4 (New Super Mario Bros. Wii) - Super Mario Wiki, the Mario encyclopedia

World 4 is the fourth world in New Super Mario Bros. Wii. It features several tropical islands, therefore, most of its levels are water-themed and make rather good use of the Penguin Suit, which can glide over water and allow Mario to swim better. Also, on the map is a

New Super Mario Bros. Wii - Super Mario Wiki, the Mario encyclopedia

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