The real sequel was called too hard. The substitute wore its name for seven years.
Super Mario Bros. 2 was directed by Takashi Tezuka — his directorial debut — and released for the Famicom Disk System in Japan in June 1986. Where the original had been designed for everyone, Tezuka's sequel was designed for the players who had already mastered it: harder level design, a wind mechanic that pushed against trained instincts, poison mushrooms placed exactly where experience suggested safety. When Nintendo of America's product analyst Howard Phillips tested it, he found it too punishing to be fun. On his recommendation, NOA president Minoru Arakawa passed on the release — and instead commissioned a different Famicom title, Yume Kojo: Doki Doki Panic, to be retooled with Mario characters and sold as Super Mario Bros. 2 in the West. The Japanese sequel waited seven years before appearing in Western markets at all — arriving quietly in 1993 as 'The Lost Levels' inside Super Mario All-Stars, named after what had been taken from it.
— inspired by Takashi Tezuka
About this game
Super Mario Bros. 2 (1986), released on the Famicom Disk System, is the direct Japanese sequel to Super Mario Bros. — a game that pushed every element of the original to its extreme. It introduced differentiated physics for Mario and Luigi, Poison Mushrooms, backward Warp Zones, wind gusts, and 13 worlds of escalating difficulty. Nintendo of America judged it too hard for Western audiences and released a different game under the 'Super Mario Bros. 2' title in the West; the Japanese original was not titled 'The Lost Levels' until its Super Mario All-Stars appearance in 1993.
Key Features
Mario and Luigi play differently: Luigi jumps higher and has less traction, Mario stops more quickly and has firmer footing — a distinction that carries real strategic meaning on the game's precise jump challenges. Poison Mushrooms appear among regular mushrooms, punishing careless power-up grabs. Backward Warp Zones send the player to earlier worlds as a trap. Wind gusts alter jump trajectories unpredictably. The game spans 13 worlds (plus hidden worlds unlocked after completing the game multiple times) — compared to Super Mario Bros.' 8 worlds.
Gallery
The Story Behind
Super Mario Bros. 2 launched on June 3, 1986 as one of the flagship titles for the Famicom Disk System — alongside The Legend of Zelda — and became the best-selling FDS game with approximately 2.5 million copies sold. Its rejection by Nintendo of America created one of the most significant decisions in console history: the Western 'Super Mario Bros. 2' was instead a reskinned version of the Japanese game Yume Kōjō: Doki Doki Panic, a choice that shaped how entire generations of Western players experienced the Mario series. The original Japanese version finally reached Western audiences through Super Mario All-Stars on Super Famicom (1993) and later via Virtual Console.
Tricks & Tales
Unlocking the hidden worlds (Worlds A through D) requires completing the game eight times from World 1-1 without using a continue. A title screen input code also existed for accessing these worlds directly. The game's extreme difficulty was itself a product of design intent — Shigeru Miyamoto and the team designed levels specifically to challenge experienced players who had mastered the original, with the assumption that those who completed Super Mario Bros. deserved harder content. Some levels deliberately reuse geometry from the Vs. Super Mario Bros. arcade game with heightened obstacle placement.
Collector's Guide
Region & Compatibility
This game was never officially released outside Japan in its original FDS form. Western players first encountered it as 'The Lost Levels' in Super Mario All-Stars (SNES, 1993). The original FDS disk is Japan-exclusive and requires a Famicom Disk System to play.
Maintenance Tips
Famicom Disk System games use magnetic floppy disks that are prone to data corruption over time — especially if stored near magnets or in humid conditions. The disk drive's belt (drive belt) is almost certainly degraded in any original FDS hardware today and requires replacement for reliable reading. Clean disk contacts gently with isopropyl alcohol. Store disks in their original cases, standing upright, away from heat and magnetic sources.
Going deeper
Explore the machine this game ran on, and what to check before you buy or care for one:
What to Watch Out For
Before buying, these are the points worth knowing — from someone who handles original Japanese Super Mario Bros.: The Lost Levels copies regularly.
What hardware do I need to play a Famicom Disk System game?
An FDS game requires three components: a Famicom console, the RAM Adapter (which plugs into the cartridge slot), and the Disk Drive unit (connected to the RAM Adapter). The drive requires its own power supply (six C-cell batteries or an AC adapter). Without both the RAM Adapter and disk drive, FDS disks cannot be played. The Famicom Disk System was sold exclusively in Japan and was never released elsewhere.
Are Famicom Disk System disks and drives still reliable after 35+ years?
Disk reliability varies — the magnetic media can degrade over time. More commonly, the rubber drive belt inside the FDS disk unit degrades with age, causing read errors even on undamaged disks. Belt replacement is the most common and important FDS maintenance repair. If you plan to use FDS games, have the drive belt inspected before use. A working drive with a fresh belt can read original disks reliably.
How does saving work on Famicom Disk System games?
FDS games save directly back to the floppy disk itself — there is no internal battery backup. Data is written to the disk after the save command is given, so the disk can be overwritten. To protect original game data, cover the write-enable notch with tape to make the disk read-only. Many collectors keep one play copy and one archival copy for important titles. Never power off the Famicom during a disk write operation.
Before You Buy
Things worth knowing before you buy Super Mario Bros.: The Lost Levels
A short checklist for buying a used Famicom Disk System disk wisely — useful with any seller, anywhere.
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Choose a seller who tests it before shipping
A copy that has actually been powered on and checked is a known quantity. An untested one is a gamble you only settle after it arrives.
Look for a seller who states it was function-tested and says what they confirmed. A serious seller can tell you exactly what was checked.
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Inspect the disk and its shell
Disk System media is fragile — the magnetic disk can wear, and saves are written back onto the disk itself.
Ask whether it was tested and reads reliably; look for cracks or a warped shell in photos.
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Make sure it fits your console
This is Japanese Famicom Disk System media and requires a Famicom with a working Disk System drive.
Play it on a matching Japanese console or a region-free system, and confirm the listing states the region.
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Mind the drive belt on the console side
Disk System drives commonly need a replacement belt to read reliably — this is a console matter, not the disk.
If reading is unreliable, the console's belt is the usual culprit, not the game.
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Read the seller's reviews and return policy
A 100% positive record across thousands of sales is close to a guarantee — packing, communication and problem-solving all work for everyone. A return policy protects you if something is off.
Read the feedback and confirm a clear return window before you buy.
The last step before buying anywhere is knowing what it's worth.
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