World 2 (New Super Mario Bros. Wii) - Super Mario Wiki, the Mario

World 2 is the second world in New Super Mario Bros. Wii. This world takes place in a desert. There are eight levels in this world, two of them being castle levels that are guarded by Roy Koopa. It also has a total of ten exits. Various Toad Houses

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

World 7-Castle (New Super Mario Bros. Wii), MarioWiki

World 7-Castle (New Super Mario Bros. Wii) - Super Mario Wiki, the Mario encyclopedia

World 5-2 (New Super Mario Bros. Wii) - Super Mario Wiki, the Mario encyclopedia

World 2 (New Super Mario Bros. Wii) - Super Mario Wiki, the Mario encyclopedia

World 8-1 (New Super Mario Bros. Wii) - Super Mario Wiki, the Mario encyclopedia

Wario - Super Mario Wiki, the Mario encyclopedia

Lemmy Koopa, MarioWiki

World 5-2 (New Super Mario Bros. Wii), MarioWiki