When American players opened Super Mario Bros. 2 in 1988, almost everything familiar about Mario seemed to have changed.
Instead of simply running from left to right and stomping enemies, Mario could pull vegetables from the ground, lift enemies over his head, throw objects across the screen, walk backward through levels, enter mysterious doors, and climb vertically through environments unlike anything in the original Super Mario Bros. Princess Toadstool and Toad were playable alongside Mario and Luigi, and each character behaved differently. Goombas and Koopa Troopas were largely absent, replaced by Shy Guys, Snifits, Birdos, Bob-ombs, and a giant frog named Wart.
Even the world was different. The Mushroom Kingdom had given way to Subcon, a strange dream country introduced in the instruction booklet through a story in which Mario dreams of a staircase leading to a door and hears a voice begging him to free the land from Wart. After waking, Mario discovers a cave containing the same staircase and doorway from his dream.
For generations of players, those differences produced one of the most persistent pieces of Nintendo folklore: Super Mario Bros. 2 was supposedly not really a Mario game at all.
The truth is considerably more interesting.
The American Super Mario Bros. 2 did originate with another game, Yume Kōjō: Doki Doki Panic, but the ideas behind it had begun inside Nintendo even before that title existed. Nintendo then reworked the game extensively for the American Mario sequel before eventually bringing that version back to Japan as Super Mario USA. What looks at first like an odd detour in Mario history was actually the result of experimentation, international marketing, technical limitations, and Nintendo’s willingness to rebuild a game around mechanics that its designers believed were fun.
The Other Super Mario Bros. 2
The strange history of Super Mario Bros. 2 begins with another game carrying exactly the same name.
After the enormous success of Super Mario Bros., Nintendo produced a direct sequel for Japan’s Famicom Disk System. Released in June 1986 as Super Mario Bros. 2, it retained the appearance and basic structure of the original while greatly increasing the difficulty. Poison Mushrooms harmed Mario instead of helping him. Wind could push him toward pits. Some Warp Zones sent players backward rather than forward, and stages frequently demanded precise jumps from players already familiar with the first game.
Nintendo later introduced this Japanese sequel to Western audiences under another name, Super Mario Bros.: The Lost Levels. Nintendo’s own retrospective material describes it as a game aimed at experienced players and notes that it originally appeared in Japan as Super Mario Bros. 2.
At Nintendo of America, however, the sequel caused concern.
Howard Phillips, one of Nintendo of America’s most important game evaluators during the NES era, later remembered playing the Japanese sequel and finding its difficulty more punishing than entertaining. His recollections describe repeated deaths caused by hazards that deliberately violated expectations created by the first Super Mario Bros. He took his objections to Nintendo of America president Minoru Arakawa, arguing that the game was too frustrating and too similar to its predecessor for the rapidly expanding American market.
Nintendo therefore faced an unusual problem. American players wanted another Mario adventure, but the sequel already released in Japan was not the game Nintendo of America wanted to sell them.
Fortunately, another Nintendo project was taking shape.
Before Doki Doki Panic
The game that eventually became the American Super Mario Bros. 2 did not begin with Mario, but neither did it begin simply as Doki Doki Panic.
Director Kensuke Tanabe later explained that Nintendo had experimented with a prototype built around vertical movement. Rather than merely running across a level, players would climb upward by manipulating objects. Two players could pick up blocks, stack them to reach higher areas, and even grab and throw one another.
The concept was technically ambitious for Nintendo’s hardware. Tanabe recalled that the prototype could demonstrate the basic idea, but the vertical scrolling alone did not produce enough enjoyable gameplay. Shigeru Miyamoto encouraged the developers to broaden the design, introduce more conventional horizontal movement, and concentrate on what was actually fun rather than remaining attached to the original concept.
The experiment did not disappear.
Picking up blocks evolved into the ability to pull objects from the ground. Throwing another player helped inspire the idea of lifting and throwing enemies. Vertical exploration survived alongside horizontal platforming. The resulting game began developing an identity very different from the original Super Mario Bros., but one rooted in Nintendo’s own experiments with platform game design.
That project soon found a home through an unusual partnership.
The Dream Factory
During the 1980s, Nintendo worked with Fuji Television on a game connected to the broadcaster’s Yume Kōjō, or Dream Factory, promotion. Nintendo’s own later history describes Yume Kōjō: Doki Doki Panic as a Famicom Disk System game developed through cooperation between Nintendo and Fuji Television and released in 1987.
The characters supplied through the Fuji Television promotion replaced the more familiar Nintendo heroes. Yet the mechanics came from the design work Nintendo had already been exploring.
Kensuke Tanabe directed the game. Decades later, when discussing his career in Nintendo’s Iwata Asks series, he identified Doki Doki Panic as his first directing assignment and specifically noted that it was the title that would later become Super Mario USA.
Miyamoto was deeply involved as well. One unusually revealing story survives through Nintendo illustrator Yoichi Kotabe. Miyamoto wanted a flying carpet in Doki Doki Panic to move convincingly and asked Kotabe to animate it. Kotabe produced a smooth sequence with more frames than the hardware could practically accommodate, forcing the animation to be reduced and reused cleverly. Miyamoto later remembered the carpet as one of the first pieces of actual game animation he had asked Kotabe to produce.
Released for the Famicom Disk System in July 1987, Doki Doki Panic carried many of the elements Western players would later associate with Super Mario Bros. 2. Players selected between four characters with different abilities. They traveled through vertically and horizontally constructed stages, picked vegetables and other objects from the ground, threw enemies, entered doors, and confronted the strange creatures that would soon populate Subcon.
When Nintendo needed another Mario game for America, much of the foundation was already there.
Turning Doki Doki Panic Into Mario
Describing the American Super Mario Bros. 2 as nothing more than a graphical reskin misses how much work Nintendo put into the transformation.
Tanabe recalled that converting Doki Doki Panic for the overseas market gave the development team an opportunity to change more than the protagonists. Mario, Luigi, Princess Toadstool, and Toad replaced the original playable cast, but Nintendo also altered graphics, animation, enemies, sound effects, and other details to make the game fit more comfortably within the Mario series.
The four characters became one of the game’s defining features.
Mario was the balanced choice. Luigi could jump higher. Princess Toadstool could remain in the air briefly after jumping, giving players a way to cross gaps that could be dangerous for the others. Toad lacked the Princess’s aerial ability but compensated with strength and speed when handling objects. Nintendo later highlighted these differences when explaining the history of Super Mario USA, showing how choosing a character could fundamentally change the way a course was approached.
Mario’s familiar growth mechanic also had to be incorporated. Tanabe remembered that when characters were reduced in size, their smaller bodies could slip through portions of stages where they were not supposed to travel. Nintendo responded with the memorable large-headed small character designs that prevented them from squeezing through unintended spaces.
The audio required additional work as well.
Composer Koji Kondo later explained that Doki Doki Panic had been created for the Famicom Disk System, whose hardware provided an additional sound channel unavailable on the American NES. When Nintendo rebuilt the game as Super Mario Bros. 2, the music and sound therefore had to be adapted to work without that extra hardware capability.
The result was related closely to Doki Doki Panic, but it was also a distinct Nintendo production shaped specifically for the American Mario audience.
Welcome to Subcon
Nintendo gave the converted game a new story that leaned into its unusual appearance.
According to the 1988 instruction booklet, Mario dreams of climbing a long staircase and opening a door into another world. A voice tells him that Wart has placed the people of that world under a spell. When Mario awakens, he tells Luigi, Toad, and the Princess about the dream. During a picnic they discover a cave, climb a staircase inside, and open a door onto the same landscape Mario had seen while sleeping.
The dream framework gave Nintendo considerable freedom.
Instead of the Mushroom Kingdom’s familiar bricks, pipes, and castles, Subcon contained deserts, waterfalls, icy landscapes, jars, masks, magic carpets, strange plants, and enemies that seemed to belong to an entirely different mythology. Doors led into Sub-space, where the player could temporarily enter an inverted version of the surrounding environment.
Combat changed just as dramatically.
The first Super Mario Bros. encouraged players to jump on enemies. Super Mario Bros. 2 made grabbing and throwing the central action. Vegetables became weapons. Enemies could become weapons against other enemies. Bombs could open walls. Keys could be carried through stages while Phantos awakened to pursue whoever dared steal them.
It felt unlike the first Mario because Nintendo was experimenting with a different language of platform design.
Yet many of those supposedly foreign elements would eventually become so closely associated with Mario that their unusual origin became easy to forget.
Nintendo Power Makes Mario 2 an Event
Before Super Mario Bros. 2 reached American stores, Nintendo made sure NES owners knew something important was coming.
The final issue of Nintendo Fun Club News in June and July 1988 previewed the game. Then Nintendo replaced that newsletter with a far more ambitious publication.
The first issue of Nintendo Power, dated July and August 1988, placed Super Mario Bros. 2 directly on the cover.
Inside, the magazine devoted a major feature to the game, introducing its characters, enemies, maps, secrets, and strange new mechanics. Nintendo was not treating the unconventional sequel as an embarrassing substitute. It was positioning the game as one of the most important releases in the NES library.
Former Nintendo Power editor Gail Tilden later recalled how unusual the media landscape was at the time. There was no internet capable of instantly revealing the game’s Japanese origins to American players, and the specialist video game press was still developing. Nintendo had enormous influence over how its audience first encountered the game, and Nintendo Power became one of its most powerful tools.
The timing could hardly have been better.
Nintendo was becoming a cultural phenomenon in the United States, and demand for its most anticipated games was rapidly outstripping supply.
The Christmas Hunt for Super Mario Bros. 2
By the end of 1988, Super Mario Bros. 2 was not merely another successful NES cartridge. It had become one of the games parents were desperately trying to find.
A contemporary Washington Post report described the title as virtually impossible to locate during the Christmas shopping season, with stores selling through shipments almost immediately. A worldwide shortage of computer chips limited Nintendo’s ability to meet demand, turning Super Mario Bros. 2 and Zelda II: The Adventure of Link into two of the season’s most coveted cartridges.
ABC’s 20/20 captured the phenomenon in its 1988 segment commonly remembered as “Nuts for Nintendo.” Reporter John Stossel was shown waiting with parents searching for copies of Super Mario Bros. 2, using the scarcity of the game as an entry point into a broader report on America’s exploding fascination with Nintendo.
The contemporary game press responded enthusiastically as well.
In its January 1989 Awards of Excellence, Computer Entertainer selected Super Mario Bros. 2 as its Nintendo Game of the Year for 1988. The award is especially valuable historically because it demonstrates that the game’s reputation as an unusual entry in the Mario series did not prevent it from receiving major praise during its own era.
What could easily have been perceived as a strange replacement sequel instead became one of the defining NES releases of the late 1980s.
From America Back to Japan
The history became even stranger after the American release succeeded.
Nintendo eventually brought the American Super Mario Bros. 2 back to Japan.
In 1992 it appeared for the Famicom as Super Mario USA. Nintendo’s own historical page openly explains the unusual naming. The game had been Super Mario Bros. 2 in America, but its foundation had originally appeared in Japan as Yume Kōjō: Doki Doki Panic. Nintendo described the process as something resembling a reverse import.
By then, Nintendo had created one of the oddest family trees in video game history.
Japan had received one Super Mario Bros. 2 in 1986. America received a completely different Super Mario Bros. 2 in 1988. The American game had grown out of a Japanese title released in 1987. Then that American Mario conversion returned to Japan in 1992 under a new name.
The Japanese sequel finally reached Western audiences officially in Super Mario All-Stars for the Super Nintendo, where Nintendo called it Super Mario Bros.: The Lost Levels.
Both games could now exist openly beside one another.
The Game That Changed Mario by Being Different
For years, the origins of Super Mario Bros. 2 sometimes worked against its reputation.
Because players eventually learned about Doki Doki Panic, the game could be dismissed as an impostor, an unrelated title wearing Mario graphics because Nintendo of America had rejected the “real” sequel.
Nintendo’s own development history complicates that interpretation.
The core mechanics of picking up and throwing objects originated in a prototype worked on by Nintendo before the Fuji Television characters were introduced. Tanabe, Miyamoto, and Nintendo’s development teams shaped those mechanics into Doki Doki Panic. Nintendo then returned to the project and modified it again for Super Mario Bros. 2. The relationship is real, but it was not simply a case of replacing a few sprites at the last moment.
More importantly, Nintendo never abandoned the ideas introduced through the game.
Shy Guys and Birdo became recurring Mario characters. Nintendo’s own modern description of Super Mario Bros. 2 specifically recognizes it as the first Mario title to let players control characters with individual abilities and notes the introduction of characters who later became regular members of the larger series.
Princess Peach’s floating jump remained one of her defining gameplay traits in later titles. Luigi increasingly developed movement characteristics that separated him from Mario. Bob-ombs became fixtures of the Mushroom Kingdom. Pokeys, Shy Guys, Birdos, and other creatures crossed permanently into Mario’s world.
Even the idea that a Mario game could radically reinvent the rules proved important.
Later games would move Mario into three dimensions, turn him into a racer, place him inside role-playing games, send him across galaxies, and repeatedly rebuild familiar mechanics around new ideas. Seen from that broader perspective, Super Mario Bros. 2 looks less like an accident and more like an early demonstration of something that would become central to Nintendo’s treatment of Mario.
The character could survive dramatic change.
Why Super Mario Bros. 2 Matters
The most famous fact about Super Mario Bros. 2 is also the fact most likely to obscure its importance.
Yes, the American game grew out of Yume Kōjō: Doki Doki Panic. Yes, Japan received a different sequel first. Those facts are essential to understanding the game, but they are the beginning of its history rather than the end.
Behind them is a story about Nintendo’s design process.
A failed experimental prototype contained an idea worth saving. That idea evolved into a Fuji Television collaboration. The collaboration became a successful Japanese game. Nintendo then saw another possibility in the same design, rebuilt it for Mario, modified its graphics and sound, and turned it into one of the most sought-after American games of 1988.
Four years later, the game traveled back across the Pacific wearing yet another title.
Few major video games have undergone such an unusual journey before reaching the form by which millions of players remember them.
That strange journey also explains why Super Mario Bros. 2 still feels distinctive. Its dream world does not behave like the Mushroom Kingdom because it was never designed merely to repeat the Mushroom Kingdom. It came from Nintendo experimenting with climbing, lifting, throwing, vertical movement, character abilities, and a different way of thinking about what a platform game could be.
The result was the Mario sequel that was never supposed to exist in quite the form it eventually took.
Instead of becoming a forgotten substitute, it became part of Mario forever.
Sources & Further Reading
Nintendo of America. Super Mario Bros. 2 Instruction Booklet. Redmond, WA: Nintendo of America, 1988. https://www.nintendo.co.jp/clv/manuals/en/pdf/CLV-P-NAADE.pdf
Nintendo and Fuji Television. Yume Kōjō: Doki Doki Panic Instruction Manual. Famicom Disk System, 1987. https://www.gamingalexandria.com/highquality/fds/Doki%20Doki%20Panic/
Nintendo. Super Mario USA Instruction Manual. Kyoto: Nintendo, 1992. https://www.nintendo.co.jp/clv/manuals/ja/pdf/CLV-P-HAADJ.pdf
Nintendo of America. Nintendo Power 1 (July/August 1988). Preserved by Retromags. https://www.retromags.com/files/file/2720-nintendo-power-issue-001-july-august-1988/
Nintendo. “Super Mario USA.” Super Mario History. Nintendo Co., Ltd. https://www.nintendo.co.jp/ngc/sms/history/smu/index.html
Nintendo. “Mario Through the Years.” The Official Home of Super Mario. Nintendo. https://mario.nintendo.com/history/
Iwata, Satoru, Shigeru Miyamoto, and Yoichi Kotabe. “My First Project: Draw a Rug.” Iwata Asks: Yoichi Kotabe. Nintendo. https://iwataasks.nintendo.com/interviews/ds/dsi/7/3/
Iwata, Satoru, and Koji Kondo. “Koji Kondo’s Commentary on the CD Tracks.” Iwata Asks: Super Mario All-Stars Special Pack. Nintendo, 2010. https://www.nintendo.co.jp/wii/interview/svmj/vol1/index4.html
Iwata, Satoru, and Kensuke Tanabe. Iwata Asks: Paper Mario: Sticker Star. Nintendo, 2012. https://www.nintendo.co.jp/3ds/interview/ag5j/vol1/index.html
Tanabe, Kensuke. “Kensuke Tanabe Talks Metroid Prime 2: Echoes.” Interview by Nintendo World Report staff. Nintendo World Report, May 18, 2004. https://www.nintendoworldreport.com/interview/2181/kensuke-tanabe-talks-metroid-prime-2-echoes
Kohler, Chris. “The Secret History of Super Mario Bros. 2.” Wired, April 2011. Preserved by Ars Technica. https://arstechnica.com/gaming/2011/04/the-secret-history-of-super-mario-bros-2/
Shea, Brian. “Making Mario: A Look Back at the First 30 Years.” Game Informer, originally published November 2015; republished March 10, 2022. https://gameinformer.com/b/features/archive/2016/03/10/making-mario-a-look-back-at-the-first-30-years
Irwin, Jon. Super Mario Bros. 2. Los Angeles: Boss Fight Books, 2014. Foreword by Howard Phillips. https://bossfightbooks.com/collections/books/products/super-mario-bros-2-by-jon-irwin
Tilden, Gail. “A Fireside Chat with Gail Tilden.” Interview by Frank Cifaldi. Video Game History Hour, Video Game History Foundation, recorded August 12, 2024; published March 5, 2025. https://gamehistory.org/episode-126-a-fireside-chat-with-gail-tilden/
“ Nintendo Announces New Titles for First Half of ’88.” Computer Entertainer, December 1987. https://www.ataricompendium.com/archives/newsletters/video_game_update/computer_entertainer_dec87.pdf
“1988 Awards of Excellence.” Computer Entertainer 7, no. 10 (January 1989). https://upload.wikimedia.org/wikipedia/commons/c/cc/Computer_Entertainer_7-10.pdf
ABC News. “Nuts for Nintendo.” 20/20. 1988. Reported by John Stossel. Preserved from a contemporary VHS recording. https://www.youtube.com/watch?v=yt4KG9ib8S4
Rosenfeld, Megan. “The Game That Eats Grown-Ups.” Washington Post, December 17, 1988. https://www.washingtonpost.com/archive/lifestyle/1988/12/17/the-game-that-eats-grown-ups/7fe94149-35c9-47cb-81dc-45cf905ac9a3/
“Now, Play’s the Thing.” Washington Post, November 25, 1988. https://www.washingtonpost.com/archive/lifestyle/1988/11/25/now-plays-the-thing/616dbc27-d77d-407e-a5a4-d610b6b581f4/
MobyGames. “Super Mario Bros. 2.” 1988 NES release entry, credits, releases, and version information. https://www.mobygames.com/game/7299/super-mario-bros-2/
MobyGames. “Super Mario Bros. 2.” 1986 Japanese Famicom Disk System release, later known as Super Mario Bros.: The Lost Levels. https://www.mobygames.com/game/27861/super-mario-bros-2/