Redditor somehow turns a Steam Deck into a Game Boy — and I'm loving the 'SteamBoy'

SteamBoy close-up on controller and buttons
(Image credit: PhyFawkes on Reddit)

  • A modder has taken the innards of a Steam Deck and put them into a Game Boy-style case
  • The end result is the 'SteamBoy', although it's not quite finished (the screen doesn't yet work)
  • There's a lot of excitement about this DIY project, and some gamers have even said they'd be keen to buy a retro handheld like this

Ever wished the Steam Deck looked a bit more retro — or indeed a lot more retro? Meet the 'SteamBoy', which takes the innards of Valve's handheld and transplants them into a case styled on the Game Boy.

Steam Deck HQ noticed this clever piece of modding in the form a project by 'PhyFawkes' as posted on Reddit (via VideoCardz).

The SteamBoy uses the motherboard, controller, buttons, speakers, and battery from the Steam Deck, fitting the components into a case which the maker says is the same dimensions as an original Game Boy, with a thickness of 32mm (yes, it's thick).

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PhyFawkes explains: "The battery is the original battery, and it basically takes up the whole width of the device on the inside. It's sandwiched between the motherboard and the display. The motherboard and controller boards are completely intact as well."

The only element that isn't functional yet is the screen, so this device is still a work in progress. The Redditor has demonstrated it working on an external monitor, though.


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SteamBoy shown hooked up to an external monitor, playing Slay the Spire 2

(Image credit: PhyFawkes on Reddit)

The snag with getting the screen going is that the motherboard firmware reports the display properties directly to SteamOS, and so the firmware details must be updated with the info for the new screen. The Redditor says it hopefully it won't take too long to sort this out.

Another part of the recipe that's missing is the triggers, but PhyFawkes says that they might be able to add them eventually, but that space constraints with the case could make this too tricky a proposition.

Apparently the handheld runs cool enough with some slight under-volting. All in all, this a very smart-looking project, and I'm seriously impressed. The case itself is 3D-printed, with the Redditor noting that they're going to provide the details on how to make one for those who might want to try their hand at this enterprising piece of handheld DIY.

Of course, constructing something like this is well beyond the scope of your average gamer, and there are fans of this concept out there who'd be willing to pay money for a SteamBoy of their own. Plenty of them, in fact, as the reception for this project has been nothing short of glowing.

As someone on Reddit put it: "This is legitimately so cool. I would totally back something like this on Kickstarter."

Another Redditor said: "Looks amazing! I'd probably buy 2 of these bad boys."


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Darren is a freelancer writing news and features for TechRadar (and occasionally T3) across a broad range of computing topics including CPUs, GPUs, various other hardware, VPNs, antivirus and more. He has written about tech for the best part of three decades, and writes books in his spare time (his debut novel - 'I Know What You Did Last Supper' - was published by Hachette UK in 2013).

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