Mario Is Missing!

Screenshots1 / 2

The title screen displays 'MARIO IS MISSING!' in large, colorful block letters against a teal sky with gray clouds and green hills. Below the title, white text reads 'SEARCH FOR MARIO' and 'CONTINUE SEARCH' in a smaller font. Luigi stands on a green grass platform in the lower left, rendered as a small green pixel sprite. The background uses a typical SNES-era color palette with parallax layering of hills and clouds creating depth.

Mario Is Missing!

马里奥:Is Missing!

4.9 (4.6K)
SNES Platformer 736 plays

Mario Is Missing! is a platformer game for the SNES (Super Nintendo Entertainment System), developed by The Software Toolworks and released in 1994. This entry is preserved in the SNES (Super Nintendo Entertainment System) library and is provided here through emulation for archival play. Filed under the platformer category, the original release year is 1994; the credited developer is The Software Toolworks. Original platform: SNES (Super Nintendo Entertainment System).

Developer
Released
Platform
SNES
Genre
Platformer
Players
1P
Rating
4.9 / 5 (4.6K)
Last updated

About Mario Is Missing!

Mario Is Missing! arrived on the SNES in 1994, a period when the console was hitting its commercial stride with titles like Super Metroid and Donkey Kong Country setting a high bar for the platform. Developed by The Software Toolworks rather than Nintendo's internal studios, it occupies an unusual corner of the Mario library: an edutainment title aimed squarely at children learning world geography, rather than a traditional platformer. The game casts players as Luigi, who must rescue Mario after Bowser kidnaps him and dispatches his Koopa Troopa army across famous real-world cities. Each stage is built around a recognizable global landmark — locations spanning cities in Europe, North America, South America, and Asia — and the core loop requires Luigi to recover stolen artifacts, identify which landmark they belong to, and answer trivia questions about that landmark before the level can be cleared. Controls follow the familiar SNES Mario template: Luigi runs and jumps using the face buttons, can stomp Koopas to defeat them, and collects their shells to trade in for information. However, the platforming itself is deliberately shallow; the real challenge lies in navigating the overworld city maps, speaking to NPCs for clues, and correctly matching artifacts to their home landmarks via an on-screen information kiosk. The level structure is hub-based: from a world map, players select a city, then explore its streets in a side-scrolling view before entering the trivia interface to confirm their findings. There are no lives system pressures in the traditional sense, and the game can be replayed to visit cities in different orders. In its era, Mario Is Missing! received a mixed response. Players expecting a conventional Mario platformer were frequently disappointed by the thin action sequences and the heavy emphasis on quiz mechanics. Educational software reviewers, however, acknowledged it as an accessible introduction to world geography for younger audiences, praising the breadth of real landmark data packed into the cartridge. The SNES version was notably more polished than its PC counterparts, featuring improved graphics and smoother controls, though it still lacked the depth of Nintendo's own platformers. The game's identity as a Luigi-led adventure was a novelty at the time — Luigi had rarely been the sole protagonist in a console release — but the educational framing meant that novelty was largely overlooked by the mainstream gaming press of the day.

What makes it special

Mario Is Missing! holds the distinction of being one of the earliest console games to feature Luigi as the sole playable protagonist, predating his starring role in Luigi's Mansion by seven years. This makes it a notable, if modest, milestone in the character's history. The game also embedded a substantial real-world geography curriculum directly into its mechanics, requiring players to engage with factual information about dozens of global landmarks as a prerequisite to progression — an integration of learning and play that was ambitious for a 1994 console cartridge.

Pro tips

  • Talk to every NPC on the city streets before attempting to return artifacts — they provide the specific clues needed to answer trivia questions correctly.
  • When a Koopa drops a shell, collect it immediately and bring it to the information booth to exchange it for a hint about the stolen artifact's origin.
  • If you are unsure which landmark an artifact belongs to, use the in-game encyclopedia kiosk to browse landmark descriptions before committing your answer.
  • Clearing all stolen artifacts in a city before leaving ensures you unlock the full trivia sequence and can progress to the next world without backtracking.
  • Focus on reading the landmark description panels carefully — many wrong answers come from confusing similar-sounding landmarks in the same country.

Mario Is Missing! Controls — SNES Keyboard Keys

Default keyboard bindings for Mario Is Missing! on our in-browser SNES emulator. Plug in a USB or Bluetooth gamepad to auto-detect mappings, or rebind any key from the emulator settings menu.

Keyboard Console button Typical use
D-Pad Up Move up
D-Pad Down Move down
D-Pad Left Move left
D-Pad Right Move right
X A Primary action (jump / confirm)
Z B Secondary action (attack / cancel)
S X Tertiary action
A Y Quaternary action
Q L Left shoulder
W R Right shoulder
Enter Start Start / Pause
Shift Select Select / Mode

Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.

Mario Is Missing! Longplay & Gameplay Videos

Watch a full playthrough of Mario Is Missing! on SNES before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.

Watch longplay on YouTube

"Mario Is Missing!" SNES longplay 1994

Mario Is Missing! Cheat Codes

26 community-curated cheats for Mario Is Missing!. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.

  • Leave Level As Soon As You Enter to Complete Level

    DDB8-3705+6DAA-C707
  • Talk to someone once to learn all they know [all 4 checks appear on computer for that person]

    CB8D-17DF+EE8D-170F+3C8D-176F
  • Use computer to access any facts except pamphlets [no checks appear on computer]

    6D8D-C4AF+DD80-C70F+DD85-C4DF
  • Use computer to view pamphlets on any artifact [no checks appear on computer]

    6D82-17AF
  • Always get Yoshi after using Globulator

    DFED-4D0480F80101
  • Pick up one artifact and get all three

    CB8E-47AF+EE8D-1DDF+3C8D-1D0F80B4FFA9+80B500FF+80B501EA
  • Digit 1

    7E00B300
  • Digit 2

    7E00B400
  • Digit 3

    7E00B500
  • Digit 4

    7E00B600
  • Digit 5

    7E00B700
  • Digit 6

    7E00B800
Show 14 more cheats
  • Digit 7

    7E00B900
  • Boss is Always In The Left Corner [Including Bowser]

    7E085800
  • One Stomp Needed To Kill Bosses [Including Bowser]

    7E0E4706
  • Castle Floor Modifier

    7E050400
  • Level Door Modifier

    7E059300
  • Always Have Yoshi

    7E06DB01
  • No Need To Wait On Wrong Answer

    7E056500
  • Have All 3 Artifacts

    7E050A07
  • Talk To Someone Once To Learn All They Know (All 4 Checks Appear On Computer For That Person)

    CB8D-17DF+EE8D-170F+3C8D-176F
  • Use Computer To Access Any Facts Except Pamphlets (No Checks Appear On Computer)

    6D8D-C4AF+DD80-C70F+DD85-C4DF
  • Use Computer To View Pamphlets On Any Artifact

    6D82-17AF80B5DF80
  • Talk To Someone Once To Learn All They Know

    CB8D-17DF+EE8D-170F+3C8D-176F80B50CA9+80B50DFF+80B50EEA
  • Use Computer To Access Any Facts Except Pamphlets

    6D8D-C4AF+DD80-C70F+DD85-C4DF80B60B80+80B64D00+80B67800
  • Use Computer To View Pamphlets On Any Artifact (No Checks Appear On Computer)

    6D82-17AF
Play Now

External references

Frequently Asked Questions

When was Mario Is Missing! released?

Mario Is Missing! was released in 1994 for the SNES.

Who developed Mario Is Missing!?

Mario Is Missing! was developed by The Software Toolworks, available to play in your browser on RetroGameSpace.

How many players does Mario Is Missing! support?

Mario Is Missing! is a single-player Platformer game for the SNES.

What type of game is Mario Is Missing!?

Mario Is Missing! is a Platformer game for the SNES, playable instantly in your browser — no downloads, no installs.

How can I play Mario Is Missing! for free?

Open this page and click "Play Now" — Mario Is Missing! runs free in your browser via WebAssembly emulation. No account, no payment, no installer.

Do I need to download anything to play Mario Is Missing! in the browser?

No. Mario Is Missing! streams from a public archive into a browser-side SNES emulator. Nothing is installed on your computer.

Can I save my progress in Mario Is Missing!?

Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original SNES cartridge supported.

Does Mario Is Missing! work on mobile devices?

Yes — the SNES emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.

Is it legal to play Mario Is Missing! this way?

RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Mario Is Missing!. Game files are fetched on demand from publicly-accessible archives. You are responsible for compliance with your local laws and the bring-your-own-ROM principle.

How long does it take to beat Mario Is Missing?

A full playthrough visiting all cities and completing all trivia sequences takes roughly 3 to 5 hours for most players. The game is short by SNES standards, and there is no traditional difficulty curve, so younger players may take longer due to the geography quiz elements.

Is Mario Is Missing worth playing today?

As a platformer it offers very little challenge or depth compared to other SNES titles. Its value today is primarily historical — as an early Luigi-led game — and as a curiosity for retro collectors. Players seeking a geography quiz experience will find the landmark data dated but still broadly accurate.

What is the best starting strategy for new players?

Start by thoroughly exploring each city's streets and speaking to all available NPCs before collecting Koopa shells. Building up clues first makes the artifact-matching trivia far easier and avoids guessing penalties that slow your progress.

What is the most common mistake new players make?

Rushing to return artifacts without gathering enough NPC clues first. Without the contextual hints, the trivia questions become guesswork, and incorrect answers send you back to re-explore the city, wasting significant time.

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