You only learn what the picture was by swimming across all of it.
Nintendo Research & Development 1 made this in 1984 — designed by Makoto Kano — and the idea is almost cruel in how simple it is. A sea creature called Bubbles swims a grid, and wherever she passes, a hidden gold ingot appears, revealing a fragment of something underneath. One fragment tells you nothing. Two tell you almost nothing. You are working blind, laying line after line, and the shape only resolves in the last few seconds, when the final piece appears and the thing you have been inside the whole time is suddenly a picture — a heart, a mushroom, a butterfly — complete, obvious, and gone the moment you clear it. You never see it while you are making it. You only see it once there is nothing left to reveal.
— inspired by Makoto Kano
The first time I picked this up, Bubbles would not go where I wanted her to go. I tried again thirty years later and nothing had changed.
And still I cannot put it down. Her refusing to obey me is the whole pleasure of the game. I wanted to know why that is, so I looked into it while putting this page together.
At Nintendo Research & Development 1, a prototype the team already considered finished would be sent back by their boss, Gunpei Yokoi, to be built again. For a while they were doing that about once a month. Nobody could tell whether the new version was better until it was made. Even so, one man kept saying it was not finished yet.
The awkwardness I am still fighting after forty years is what that nerve left behind. The game is not hard to get into. Somebody worked on it that long.
You do a thing over not because you failed at it. You do it over because it is already good enough and there is still room to make it better.
About this game
There are two games with this name, and they are not the same game. This cartridge holds the 1984 one: no save, no boss, and a grid that has to be swum across in a single sitting. The other arrived eight years later on a disk, carried roughly twice the stages, and never left Japan. The first thing to sort out is which of the two anyone is describing.
Gallery
The Story Behind
Makoto Kano joined Nintendo in 1974. By the time his name went on the design of Clu Clu Land, he had already spent years standing behind a counter. Nintendo's designers went out to the shops themselves during the Game & Watch years — there were five designers in the entire company, Kano among them. He says: "I can remember to this day how a grandmother and her grandchild came into the store and the child said, 'Here! This is what I want!'"
His boss in those years was Gunpei Yokoi, who ran Nintendo's Research & Development 1 — the room that made the Game & Watch, the cross-shaped controller, and later the Game Boy. Kano has described what Yokoi did to work that was already finished. A prototype would be done and the team would think it was fine, and Yokoi would say, "Why not try it once more?" The staff could not tell whether the new version was better or worse. He says: "With great reluctance, we'd redo the visuals." Then: "But when we'd done that... It would get much better." There were stretches when they did that once a month.
Clu Clu Land left that room on November 22, 1984. It has no save function — battery backup did not reach Nintendo cartridges until around 1986 — so the whole thing is built to be finished, or lost, in one sitting.
Tricks & Tales
This cartridge is from November 22, 1984. The other is a disk from April 28, 1992, built out of the arcade machine VS. Clu Clu Land — roughly double the puzzle stages, plus a boss called Boss Unira that the cartridge simply does not contain. Eight years sit between them, and in Japan they were sold as two separate products. Outside Japan the second was never sold at all; the world beyond met it in 2002, unlocked inside Animal Crossing on the GameCube, under a third name again: Clu Clu Land D.
I picked it up again thirty years later. She still does not go where I want her to go. The difficulty has kept its exact shape for forty years.
Collector's Guide
Region & Compatibility
Famicom and NES are the same hardware family but use physically incompatible cartridge formats — Famicom carts have a 60-pin connector and a narrower shell, while NES carts use a 72-pin connector with a wider housing. You cannot insert a Famicom cartridge into a North American NES slot without an adapter, and vice versa. The Famicom itself has no lockout chip, so any Famicom cartridge from Japan will run on a Famicom console regardless of origin. If you are buying a Japanese Famicom cart to play on a NES, you will need a 60-to-72-pin physical adapter; if you own a Famicom, Japanese-market software is your native format and no workarounds are needed.
Maintenance Tips
The gold-plated edge connectors on Famicom and NES cartridges pick up skin oils and oxidation over decades — a gentle wipe with a cotton swab dampened in 90% or higher isopropyl alcohol, stroking along the length of the pins rather than across them, is the accepted standard. Let the alcohol fully evaporate before reinserting. The old habit of blowing into a cartridge is folklore: the moisture in breath causes slow corrosion of the contacts over time, and any improvement you felt came from the act of re-seating the cart, not from the breath itself. Nintendo eventually updated its own troubleshooting guidance to say explicitly: do not blow into your Game Paks.
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 Clu Clu Land copies regularly.
Is this the same as Welcome to New Clu Clu Land, or Clu Clu Land D?
No. This is the original Famicom cartridge from November 22, 1984. The expanded version — built from the arcade game VS. Clu Clu Land, with roughly double the puzzle stages and a boss called Boss Unira — did not reach Japanese homes until April 28, 1992, on the Famicom Disk System, under the title Welcome to New Clu Clu Land. That expanded game was never sold outside Japan; it first appeared abroad in 2002 as an unlockable NES game inside Animal Crossing on the GameCube, where it was called Clu Clu Land D. A cartridge from 1984 and a disk from 1992 are different products.
Can I save my progress?
No. This 1984 cartridge predates Nintendo's battery-backup save technology, which arrived around 1986 to 1987. Each playthrough is meant to be completed in one sitting — and there is no battery inside that can die with age. You lose nothing by waiting; the cartridge has nothing to forget.
Will this cartridge work in an NES console?
Not directly. Famicom cartridges use a sixty-pin connector while NES cartridges use seventy-two pins, so the two are physically incompatible without an adapter.
Before You Buy
Things worth knowing before you buy Clu Clu Land
A short checklist for buying a used Famicom cartridge 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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Make sure it fits your console
This is a Japanese Famicom cartridge with a 60-pin connector; a North American NES uses a 72-pin slot, so it will not fit directly.
Play it on a matching Japanese console or a region-free system, and confirm the listing states the region.
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If this title saves your progress, check the battery
Cartridges that save use a small coin-cell battery that fades over decades — a dead one wipes your save without warning.
Ask the seller whether the save function was tested. Replacing the battery is possible, but doing so erases any existing save.
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Check that the contacts are clean
Dirty edge contacts are the most common cause of startup and sound trouble in cartridges of this age.
Choose a seller who cleans the contacts before shipping. A note that it was tested and cleaned means the basics were handled.
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Confirm it is genuine, not a reproduction
Sought-after titles are targets for reproduction boards with replacement labels.
Ask for a photo of the circuit board and look for factory markings. Favour a shop with a licensed second-hand dealer permit (古物商) — by law its stock has a traceable origin, your simplest guard against fakes.
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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.
See what we have in stock →Unexpected Discoveries
Games you weren't looking for — but might be glad you found.
Rooms this game lives in
Wander deeper — explore the themed rooms where Clu Clu Land sits alongside its kin.
Memories from around the world
This is a young museum, and this page is still waiting for its first voices. The memories people send reach Taisei personally, and the ones that move him find a home here over time — always with the writer's blessing. Yours could be the very first for this game.
Share your memory ↑From the Museum's Screening Room
Clu Clu Land — Max Explains