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Super Mario Bros. 2 (Famicom Disk System)

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Title Screen

Super Mario Bros. 2

Also known as: Super Mario Bros.: The Lost Levels (US/EU)
Developer: Nintendo
Publisher: Nintendo
Platform: Famicom Disk System
Released in JP: June 3, 1986
Released in US: May 1, 2007 (Virtual Console)
Released in EU: April 14, 2007 (Virtual Console)

CodeIcon.png This game has unused code.
GraphicsIcon.png This game has unused graphics.
Carts.png This game has revisional differences.

PrereleaseIcon.png This game has a prerelease article
BugsIcon.png This game has a bugs page

The Japanese Super Mario Bros. 2 is basically Super Mario Bros. with the difficulty cranked to 11. The expanded space provided by the disk format allowed for upgraded graphics, longer and more complex levels, several new gimmicks, and a total of 13 worlds... but overall, its graphics and music don't do it favors in distinguishing it from its predecessor.

That, factored in with its extreme difficulty, gave Nintendo of America cold feet, so they opted to have another FDS game modified to present a completely different Super Mario Bros. 2 to other regions. Overseas players first discovered this game through Super Mario All-Stars, albeit in a remade form. An unlockable version was also included with Super Mario Bros. Deluxe, although it did not have the unique graphics of the original release, unique stats for Mario and Luigi, or anything normally accessible past World 8-4.

Non-Japanese gamers did not get a chance to play the original, completely unaltered game until it was released internationally on Wii Virtual Console, and it has since been brought over to the Wii U, 3DS, and the Nintendo Switch's online service. In most of these overseas rereleases, the game is referred to as Super Mario Bros.: The Lost Levels, though the title screen is left unchanged in said unaltered ports.


Read about prerelease information and/or media for this game.
Prerelease Info
Read about notable bugs and errors in this game.

Unused Variable

As with the previous game, RAM address 03F0 keeps track of the number of blocks hit, though no routine ever reads the value stored here.

(Source: Beneficii's Super Mario Bros. 2 FDS Disassembly)

Unused Graphics

Have you met my 64-bit cousin?

Two unused ground tiles and a cactus can be found at the very end of the SM2CHAR1 graphics file. The last tile, a more natural-looking variation of the original Super Mario Bros. ground tile, actually appears in every screenshot in this game's manual, suggesting that it was changed very late in development.

Misplaced Enemy

Doomed to the abyss since birth.

In World 3-1, a Red Koopa Troopa is placed directly above a pit. It's normally impossible to see this enemy in-game, as by the time the player reaches the screen in question it's already fallen into the pit. The only way to see it without hacks is to glitch Mario's position to the furthest right side of the screen, then take damage, which causes the screen to scroll to the right and give the player a glimpse of the Koopa as it falls into oblivion.

Revisional Differences

In 2004, Super Mario Bros. 2 was rereleased as part of Japan's Famicom Mini series for the Game Boy Advance as "Famicom Mini vol. 21". The most significant change in this version is that A + Start allows you to, after getting a Game Over, immediately go back to the start of the world you died in (barring Worlds 9 and A-D). This not only renders the "Continue" option redundant, but has some other effects:

  • Using the emulator's menu (accessible by pressing L + R) to save your high score will also save the last world you died on, meaning the A + Start combo still works even after the game is turned off, which makes it possible to complete the game in multiple sessions.
  • It is possible to switch between Mario and Luigi mid-game without having to start over, which was not possible in the FDS version.
  • After beating 8-4 eight times, the player must press B + Start at the title screen to access World A-1 rather than the FDS version's A + Start.

These changes did not carry over to the Virtual Console and Switch releases, which instead behave the same way as the original FDS version.