# Modder Builds a 21st Century Gameboy From a Steam Deck A modder has successfully shrunk a Steam Deck into a Gameboy-sized device. - **Source:** [Gizmodo](https://brifing.si/source/63382431-cef0-4c41-883e-2f88dc21351e) - **Published:** 2026-08-11 - **Original article:** - **On Brifing:** https://brifing.si/s/9f506d93-b9ac-4c47-b3ca-c9d36f8f8cf1 ## Project Inception PhyFawkes, a member of the 'Steam Deck Modded' community on Reddit, shared an idea: 'The Steam Deck motherboard seems pretty small. Could you make a Steam Deck the size of a Gameboy?' This idea presents a technical challenge for many modders. The project initially seemed impractical, but PhyFawkes has managed to overcome many hurdles. ## SteamBoy Design Dubbed SteamBoy, this device fits the Steam Deck motherboard into a Gameboy form factor. The dimensions match the original Gameboy: 32mm thick. However, the screen isn't working yet, which is the biggest technical hurdle. PhyFawkes explains that a custom adapter and BIOS mod are needed to solve this issue. ## Screen Challenge and Solution While the original Gameboy had a 160x144 pixel screen with four shades of green, SteamBoy features a full-color 1200x1080 display originally meant for VR headsets. PhyFawkes revealed that a custom PCB and BIOS mod are required to get the screen working due to the Steam Deck's non-standard pin layout. ## External Monitor Support SteamBoy can output video to an external monitor, a feature unimaginable for the original Gameboy. PhyFawkes' demo video successfully showcases this capability, highlighting the project's technical advancements. This feature sets SteamBoy apart from its retro inspiration. ## Community Reaction The 'Steam Deck Modded' community on Reddit has shown great interest in the project. Many users appreciate PhyFawkes' work and eagerly await its completion. The community actively discusses technical details and offers solutions, contributing to the project's development. ## Technical Challenges The project involves numerous technical challenges, particularly screen adaptation and BIOS modification, which require advanced engineering skills. PhyFawkes is evaluating suggestions from the community to overcome these hurdles. The project's success hinges on solving these technical issues. ## Nostalgia Meets Modern Tech SteamBoy blends nostalgia with modern technology, preserving the Gameboy's design while offering the Steam Deck's powerful hardware. This could be an ideal device for retro gaming enthusiasts. PhyFawkes' work demonstrates how far such modifications can go. ## Future of the Project PhyFawkes continues to work on completing the project. Solving the screen issue will determine its success. If successful, SteamBoy could inspire the modding community, showcasing how technology and nostalgia can be combined in innovative ways. ## Sources covering this story - https://gizmodo.com/modder-builds-a-21st-century-gameboy-from-a-steam-deck-2000797148 — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._