There are several kinds of levels, including a dungeon level and an airship level. This map has several features on it, such as bridges that lower after completing a level or Hammer Bros. Players access the levels by exploring various maps once a level is complete, players may not replay it until they beat the game. The objective of each stage is to reach a certain goal, which is typically a black background with a rotating box containing either a mushroom, flower, or star. Players are able to make use of several basic techniques such as running, jumping, and swimming.
Players take control of either Mario or Luigi, adventuring through eight kingdoms of the Mushroom World to defeat the seven Koopa Kids and Bowser, who have taken the seven magic rods from the kings of these seven kingdoms, transforming them into various creatures.
The gameplay is the same as in the original version of Super Mario Bros.