World 9, also known as Fantasy World or “9 World”, is the first secret world in Super Mario Bros.: The Lost Levels, unlocked when the player defeats Bowser on World 8 without using any Warp Zones to advance during the game (There is one exception to this rule, if the player clears Worlds 1 and 2, accidentally uses the backwards warp in 3-1 to 1-1, and then uses the warp in 1-2 to return to World 3, it will not be counted against the player) . This world has three levels that take place underwater. According to an interview given in Family Computer Magazine, Shigeru Miyamoto added World 9 due to the interest in the glitch, Minus World-esque "World-9" levels in the Japanese version of the original Super Mario Bros.

World 9 is the ninth playable world in Super Mario Bros: The Lost Levels, following World 8 and before World A.


This is unlocked by going through the whole game without using a Warp Zone. You will only have one life. However, it is the easiest world in the game. After completing 9-4, the player will be taken back to 9-1, making this world go on until the player gets a Game Over.

Level Information

World 9-1

The first level of world 9 starts out with the player having to jump up a staircase of blocks; on the other side of the staircase resides a Warp Pipe, (housing a Piranha Plant), that will take the player to the underwater section of the level. Once in the underwater section, the player will encounter a few Koopa Paratroopas and a Bill Blaster amidst a row of ? Blocks. As the player progresses, they will have to swim through a few Warp Pipes to continue. Past this point, several more Koopas and a Lakitu will be encountered. The player must either defeat them with fireballs or swim away from them to progress in the level. Several more enemies, such as Goombas, Hammer Bros., and Bloopers will be found towards the end of the level. After an encounter with two Buzzy Beetles and another Koopa Paratroopa, the player will pass up another staircase. Past here is the Flagpole; once touched, the level ends.

World 9-2

To complete this level, the player must swim through many mazes of Warp Pipes and Piranha Plants while being chased by a Lakitu. Very few portions of this level have a sea bed; as such, the player must swim almost nonstop to avoid falling into the ocean's abyss and losing a life. Once the player reaches the three-fourths mark of the level, the Lakitu will go away (if not defeated already). The player will find a small section of platforms that have several coins on them. After this point resides a staircase and the end-of-level Flagpole.

World 9-3

Just as the previous one was, this level is relatively short. In this level, the player is once again on dry land. Despite being a normal overworld level, the level is in the castle style and plays the castle music. The player must run through various mazes of bricks and lava pits to get to Bowser. There is a Coin Heaven located in this level, via the access of a Brick Block Vine and Warp Pipe (both Coin Heavens are the same and drops players off in the same area). The player is not required to fight a false Bowser to complete the level; instead they can run along a brick path hovering high above the false Bowser. The player can then access the Flagpole past here, thus ending the level.

World 9-4

The final level in World 9 is once again located underwater. The player must swim through mazes of bricks to surpass this level; however, many enemies (including a Podoboo) block many of the narrow paths that the player must take in order to continue throughout the level. Once the player makes it through the massive cluster of enemies and blocks, there is an empty space located just before a staircase. After the staircase, a Flagpole can be found. Once the player touches the Flagpole, the level ends. Some of the blocks in this level are arranged in Japanese; they read "アリガトウ!" Arigatō!, meaning "Thank You!" in Japanese.


Level Maps

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