World - Super Mario Wiki, the Mario encyclopedia

A world is a group of levels in Super Mario games. In Super Mario Bros. and Super Mario Bros.: The Lost Levels, each world always has exactly four levels, and in Super Mario Bros. 2, each world has three. However, starting in Super Mario Bros. 3, most games

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World - Super Mario Wiki, the Mario encyclopedia

Super Mario (series) - Super Mario Wiki, the Mario encyclopedia

Super Mario 3D World + Bowser's Fury - Super Mario Wiki, the Mario encyclopedia

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Gallery:Super Mario World - Super Mario Wiki, the Mario encyclopedia

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Dark Horse's Super Mario Encyclopedia Allegedly Borrows From Super Mario Wiki - Hey Poor Player

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Wario - Super Mario Wiki, the Mario encyclopedia