World 1-2

World 1-2 may refer to:


 * World 1-2 in Super Mario Bros..
 * World 1-2 in Super Mario Bros.: The Lost Levels.
 * World 1-2 in Super Mario Bros. 2.
 * World 1-2 in Super Mario Bros. 3.
 * Yoshi's Island 2, World 1-2 in Super Mario World.
 * Watch Out Below!, World 1-2 in Super Mario World 2: Yoshi's Island.
 * Surprise!!, World 1-2 in Yoshi's Story.
 * World 1-2 in New Super Mario Bros..
 * Hit the M Blocks!, World 1-2 in Yoshi's Island DS.
 * World 1-2 in New Super Mario Bros. Wii.
 * World 1-2 in Super Mario 3D Land.
 * World 1-2 in New Super Mario Bros. 2.
 * Bouquet Gardens, in Paper Mario: Sticker Star.
 * Tilted Tunnel, World 1-2 in New Super Mario Bros. U.
 * Crooked Cavern, World 1-2 in New Super Luigi U.
 * Koopa Troopa Cave, World 1-2 in Super Mario 3D World.
 * Chomp Rock 'n' Roll, World 1-2 in Yoshi's New Island.
 * World 1-2 in Puzzle & Dragons: Super Mario Bros. Edition.
 * Underwater, World 1-2 in Super Mario Maker.
 * Bounceabout Woods, World 1-2 in Yoshi's Woolly World.
 * World 1-2 in Mario Party: Star Rush.
 * World 1-2 in ''Super Mario Maker for Nintendo 3DS.
 * Wall-Kicking It Underground, World 1-2 in Super Mario Run.