World 2-4

World 2-4 may refer to:


 * World 2-4 in Super Mario Bros..
 * World 2-4 in Super Mario Bros.: The Lost Levels.
 * World 2-4 in Super Mario Bros. 3.
 * Donut Plains 4, World 2-4 in Super Mario World.
 * Bigger Boo's Fort, World 2-4 in Super Mario World 2: Yoshi's Island.
 * World 2-4 in New Super Mario Bros..
 * Hector the Reflector's Haunted House, World 2-4 in Yoshi's Island DS.
 * World 2-4 in New Super Mario Bros. Wii.
 * World 2-4 in Super Mario 3D Land.
 * World 2-4 in New Super Mario Bros. 2.
 * Spike's Spouting Sands, World 2-4 in New Super Mario Bros. U.
 * The Walls Have Eyes, World 2-4 in New Super Luigi U.
 * Really Rolling Hills, World 2-4 in Super Mario 3D World.
 * Beware the Boo Brigade, World 2-4 in Yoshi's New Island.
 * World 2-4 in Puzzle & Dragons: Super Mario Bros. Edition.
 * Knot-Wing the Koopa's Fort, World 2-4 in Yoshi's Woolly World.