World 8

World 8 is a name often given to the eighth world in a game:
*World 8 of Super Mario Bros.
*World 8 of Super Mario Bros.: The Lost Levels.
*Dark Land, alternatively named World 8, of Super Mario Bros. 3.
*World 8 of New Super Mario Bros.
*World 8 of New Super Mario Bros. Wii.
*World 8 of Super Mario 3D Land.
*World 8 of Puzzle & Dragons: Super Mario Bros. Edition.
*World 8 of Dr. Mario World.