Twelve years later, Taito added nothing — and forty invaders marched across a palm.
In 1978, Space Invaders was everywhere in Japan. Cabinets filled the coffee shops, lines formed outside them, and newspapers reported that the country was running short of hundred-yen coins. By March 1990, when Taito released the game again, the fever was long gone. This time it arrived on the Game Boy — a machine that fit in a coat pocket, with a screen the size of a playing card and no color in it at all. The team added nothing. No story mode, no boss, no new enemy, no new sound to justify the twelve years. The one change they made was a subtraction: the formation, five rows of eleven in the arcade, became five rows of eight, because that was what the small screen could hold. Forty invaders instead of fifty-five. The same slow descent. The same quickening beat as their numbers thin. No crowd gathered for this release. But a kid could carry it onto a train, into a dark bedroom after lights-out, into a waiting room on a long afternoon — and no one sitting nearby would ever know that a piece of 1978 was marching quietly across their palm.
It is a strange thing. This simple game still gets my blood up.
Late in a round, as the invaders thin out, they speed up. That acceleration bearing down on you is the whole reason it works.
But it was never designed as an effect. With fewer invaders left on screen, the machine had less to compute, so they simply moved faster. The limit of the hardware came out directly as speed.
Tomohiro Nishikado did not fix it. He accepted an accident, close to a bug, as the difficulty curve of the game.
So what I am really responding to at the end of a round is not the enemy's momentum. It is the sound of a machine running out of breath at the edge of what it can do. Leave the weakness visible and let it become part of the work. I think about that too, handling the old machines that come to me.
About this game
Space Invaders is a Game Boy game released in 1990, developed by Taito. It is a shoot 'em up.
Gallery
The Story Behind
The story that Space Invaders drained Japan of its hundred-yen coins was reported at the time and is still repeated everywhere, but it does not survive contact with the mint's own records: Japan struck fewer 100-yen coins in 1978 (about 292 million) than in 1977 (about 440 million), and production only climbed again at the end of the decade. Shortages were real in the neighbourhoods around the busiest arcades; a nationwide famine of coins was not. The Game Boy conversion arrived on March 30, 1990, developed and published by Taito, twelve years after the arcade original. It is a deliberately plain port — no added modes, no new enemies — and its one visible concession to the hardware is the invader formation, cut from five rows of eleven to five rows of eight so that it would fit the smaller screen. The Japanese release predates the Super Game Boy entirely; only the later North American release (1994) carries Super Game Boy support.
Tricks & Tales
The one change Taito made in twelve years was a subtraction. The arcade formation of five rows of eleven became five rows of eight on the Game Boy — forty invaders instead of fifty-five — because that was what the smaller screen could hold. The story that Space Invaders drained Japan of its hundred-yen coins was reported at the time and is repeated to this day, but the mint's own figures do not support it: Japan struck fewer 100-yen coins in 1978 than in 1977. Shortages were real around the busiest arcades. A nationwide famine of coins was not. The same Game Boy cartridge behaves differently depending on where it was sold. The North American release of 1994 supports the Super Game Boy, with its own border and colour palette; the Japanese release of 1990 has none of that, because the Super Game Boy did not yet exist.
Collector's Guide
Region & Compatibility
The original Game Boy is fully region-free. A cartridge manufactured for Japan, North America, or Europe will run on any DMG unit from any region with no adapters, no modifications, and no lockout chip to defeat. The game's language is determined entirely by the software on the cartridge — the console hardware applies no restriction. The only notable caveat is that cross-region link-cable multiplayer may not function correctly in all titles. If you are buying Japanese-market Game Boy software to play on a non-Japanese DMG, or vice versa, hardware compatibility is simply not a concern.
Maintenance Tips
Vertical lines on the LCD are the Game Boy's signature aging defect. The cause is delamination of the ribbon cable that connects the LCD panel to the board. The standard repair is to apply heat along the ribbon cable near the LCD edge -- a soldering iron (at low temperature) run slowly along the ribbon cable reflows the connection and usually clears the lines. This repair has a documented success rate and requires no replacement parts. The speaker can be replaced with any 8-ohm 0.5W speaker of similar dimensions; audio quality often improves noticeably with a new unit. Clean battery terminals with vinegar and a cotton swab if corrosion is present. The contrast dial uses a potentiometer that can be cleaned with contact cleaner if the image is unstable at certain positions. Use fresh alkaline AA batteries -- rechargeable NiMH cells run at lower voltage and may cause erratic behavior.
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 Space Invaders copies regularly.
Is this the 1978 arcade Space Invaders?
No. This is the Game Boy conversion, developed and published by Taito and released in Japan on March 30, 1990 — twelve years after the arcade original. It is a deliberately plain port: no new modes, no new enemies, no added music.
Is anything missing compared to the arcade version?
The invader formation is smaller. The arcade game marches five rows of eleven — fifty-five invaders. The Game Boy screen could not hold that, so the formation was cut to five rows of eight: forty invaders. The descent and the quickening tempo are unchanged.
Does it work with the Super Game Boy?
The Japanese 1990 cartridge predates the Super Game Boy entirely — that accessory did not exist until 1994 — so it carries no Super Game Boy features. Super Game Boy support (a custom border and colour palette) appears only on the later North American release from 1994. A Japanese copy still runs in a Super Game Boy, simply as an ordinary Game Boy game.
Is the cartridge region-locked?
No. Game Boy cartridges carry no region lockout, so a Japanese copy plays on a Game Boy, Game Boy Pocket, Game Boy Color or Game Boy Advance bought anywhere in the world. The manual and box will be in Japanese; the game itself needs no reading.
Before You Buy
Things worth knowing before you buy Space Invaders
A short checklist for buying a used Game Boy 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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Good news — Game Boy is region-free
Game Boy and Game Boy Color cartridges are not region-locked, so a Japanese copy plays on any Game Boy worldwide.
Just confirm the hardware family — original GB, Color, or Advance — matches the cartridge.
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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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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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