World 6 (New Super Mario Bros. 2)

World 6 is the sixth and final normal world in New Super Mario Bros. 2. This world is a lava world, similar to World 8 of New Super Mario Bros. Wii and New Super Mario Bros. This world can be accessed by completing either World 5-Castle or World Flower-Cannon. There are four Toad Houses in this world, two red, one green, and one yellow.

There are 10 levels in this world, 6 of them are the normal levels, one of them is a Ghost House, one of them is a secret level, and there is also a Rainbow Level. Bowser is the boss of this world.

Levels

 * World 6-Rainbow
 * World 6-1
 * World 6-Ghost House
 * World 6-2
 * World 6-B
 * World 6-3
 * World 6-A
 * World 6-Fortress
 * World 6-4
 * World 6-5
 * World 6-Bowser's Castle