World 1

World One is always the first world in a Mario game. It is usually easy, and put there to help the player learn how to play to the game. Various World Ones include:


 * World 1 (SMB) - Was World One In Super Mario Bros..
 * World 1 (SMB2) - Was World One In Super Mario Bros. 2 .
 * Grass Land - Was World One In Super Mario Bros. 3 .
 * Birabuto Kingdom - Was World One in Super Mario Land.
 * World 1 (NSMB) - Was World One In New Super Mario Bros.
 * World 1 (YI) - Was World One In Super Mario World 2: Yoshi's Island.
 * Yoshi's Island (place) - Was World One in Super Mario World.
 * World 1 (The Lost Levels) - Was World One in Super Mario Bros.: The Lost Levels.
 * Mushroom Mayhem - Was World 1 in Mario vs. Donkey Kong 2: March of the Minis.