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Can my favorite Game Boy gadget tell fake cartridges from real?

Epilogue’s GB Operator now plugs into your phone to test used games, too.

Epilogue’s GB Operator now plugs into your phone to test used games, too.

The GB Operator.
The GB Operator.
The GB Operator.
Photo by Sean Hollister / The Verge
Sean Hollister
is a senior editor and founding member of The Verge who covers gadgets, games, and toys. He spent 15 years editing the likes of CNET, Gizmodo, and Engadget.

The $50 Epilogue GB Operator has a brand-new trick up its sleeve. In addition to backing up Game Boy, Game Boy Color, and Game Boy Advance cartridges and saves to a PC (and writing saves back to carts again!), it can now plug into your phone with a brand-new Retrace app for Android and iOS. The idea: check if cartridges are legit, and how much they’re worth, before you buy or sell them.

Is it reliable? I plugged around 50 cartridges into the app, and… it could use some work. While most of my English and Japanese library was detected without a hitch, it also called a few counterfeit cartridges “authentic,” a number of authentic cartridges “counterfeit” or “possible counterfeit,” and about a tenth of my cartridges required multiple scans to detect anything at all. One legit cartridge never managed to scan.

You don’t have to take my word for it, because I took quite a few photos along the way! Here’s a gallery with captions:

<em>The GB Operator.</em>
<em>Shall we try to tell fake from real?</em>
<em>Let’s start with an easy one.</em>
<em>It doesn’t always detect a cartridge on the first try. </em>
<em>GB Operator says it’s a keeper.</em>
<em>Nope, that’s a fake. Let’s open them up with a screwdriver to be sure…</em>
<em>Like I said, it’s easy to tell this one from the outside. If you ever open one of these, remember you have to unscrew then slide the front of the cart down before you pull it out.</em>
<em>Real on left, fake on right. </em>
<em>Now for something very slightly harder.</em>
<em>Which looks real to you?</em>
<em>The one on the left reads as real.</em>
<em>The one on the right: GB Operator isn’t quite sure?</em>
<em>One more scan and now it’s sure.</em>
<em>Inside, it’s clear. Real 2nd-gen Pokémon carts have a coin battery. (Which is also why most of their original saves are long gone. And Nintendo doesn’t cover chips with black goop… )</em>
<em>Can you tell which Golden Sun: The Lost Age cart is real?</em>
<em>How about from the back? Tougher, right?</em>
<em>GB Operator survey says the left’s a fake…</em>
<em>…and the right is real. Let’s open them up to check.</em>
<em>THEY WERE BOTH FAKE. Get a load of Hihiohoo! </em>
<em>Here’s what the REAL cartridge looks like atop the other two.</em>
<em>And yes, the GB Operator really did detect the Hihiohoo as real.</em>
<em>I actually have two real Lost Age carts; as you can see, the color of the label isn’t always the same. But both are bluer than the purple-ish fakes and have other signs if you look closely.</em>
<em>How about a romhack game? FireRed Team Rocket Edition.</em>
<em>It’s true that it’s not a legit copy of FireRed, but it is an authentic Team Rocket Edition, isn’t it? </em>
<em>Snakewood isn’t recognized as a known game at all.</em>
<em>Sorry, Incube8, GB Operator thinks your game is counterfeit even though it recognizes it.</em>
<em>ModRetro’s copy of Dragonyhm isn’t recognized and is seen as counterfeit.</em>
<em>While, amazingly, whatever ROM I once loaded onto this DS GBA flashcart is apparently considered authentic. </em>
<em>Boktai is legit! And pretty valuable these days… and most importantly, a very cool game.</em>
<em>What even is this old game of mine? Perfect use for the GB Operator, but it’s not loading.</em>
<em>After a few tries, I get it: Super Mario Land 2. </em>
<em>Alternatively, a web search for “DMG-MQE-2” would have proven that.</em>
<em>Golden Sun gave me some trouble reading the cart at first, but now it reads every time.</em>
<em>Very easy to see the imprinted number in this label, so I was sure before I plugged it in.</em>
<em>Yep, that’s a legit Japanese Game Boy Camera alright.</em>
<em>Is the Mother 3 I bought in Japan… fake?</em>
<em>No, can’t be. That’s as legit-looking a cart as I’ve ever seen.</em>
<em>And now it’s reading fine.</em>
<em>Definitely not authentic, and what even is that game?</em>
<em>Pokemon Pinball reads fine.</em>
<em>Metroid Fusion reads fine. Best game on the system IMO.</em>
<em>But two of the best Castlevanias in one cart… oh so good.</em>
<em>My sibling has TWO Pokémon Crystal carts for some reason.</em>
<em>This one’s not reading.</em>
<em>Is it fake?</em>
<em>There we go. Hmm.</em>
<em>The one with the yellow-rimmed battery worked on the first try.</em>
<em>Japanese Pokémon Trading Card Game won’t read the game barely at all, though. Not sure why the Operator thinks it’s legit.</em>
<em>Still not working.</em>
<em>I gave up after like eight tries.</em>
<em>Having trouble with this one.</em>
<em>A lot of trouble.</em>
<em>There we go.</em>
<em>Reads fine.</em>
<em>Reads fine too.</em>
<em>This one looks good.</em>
<em>Pokémon Red not working yet…</em>
<em>There we go. </em>
<em>This can’t be fake…</em>
<em>Oh there we go.</em>
<em>First try.</em>
<em>Scanned fine.</em>
<em>My greatest get from my first Japan trip: the Fire Emblem that’s a sequel to the first GBA one we got in the US.</em>
<em>The ultimate classic.</em>
<em>The contacts on this one need cleaning, so I give it a pass.</em>
<em>Still scanned eventually.</em>
<em>A truly good portable Kingdom Hearts that paved the way for The World Ends with You. (Same developer.)</em>
<em>Do I own a copy of Metal Gear Solid on Game Boy?</em>
<em>No, the GB Operator is correct, I do not.</em>
<em>I will leave you with Epilogue’s “confidence” ratings, which seem to change every time you press the button even if nothing else moves.</em>
<em>More confident.</em>
<em>Less confident.</em>
<em>More confident.</em>
1/73
The GB Operator.

I think Epilogue should have stuck to its previous terminology of “Official,” “Unofficial” and “Unrecognized” instead of “authentic” and “counterfeit,” because a romhack or a new game from Incube8 or ModRetro is still “authentic” even if it wasn’t released by Nintendo. The “confidence percentages” seem silly too; I never saw a score lower than 95 percent, and the score changes even if you scan the same cartridge again.

But I do really like the idea of knowing what a game is, and what it’s worth, simply by plugging it in. The price would definitely save me a search, and the identification might come in handy for games with titles I can’t read — either because they’re in a language I don’t speak, or because they’re currently missing their label. Maybe Analogue could add links to reviews or video clips so people can discover titles they’d like to play?

For now, it seems the only foolproof way to truly identify a legit Nintendo Game Boy cart is with a screwdriver (GameBit 3.8mm for GB/GBC, tri-wing Y0 for GBA) a sharp eye, and a search for the alphanumeric code on the ROM chip. But the next best thing is to look for a two-digit number imprinted into the cart’s label. See examples of both in my gallery.

BTW, I’m looking very forward to trying the SN Operator, the Super Nintendo / Super Famicom reader from the same company, coming out next month. It will also be compatible with this app.

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