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Gearboy

Gearboy is a free, open-source gaming app for Windows, macOS and Linux. Game Boy / Game Boy Color / Super Game Boy emulator and debugger with embedded MCP server for macOS, Windows, Linux, BSD and RetroArch. It has 1,213 GitHub stars and is released under the GPL-3.0 license.

github.com/drhelius/Gearboy (opens in a new tab)

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About Gearboy

Gearboy is an accurate, cross-platform Game Boy / Game Boy Color / Super Game Boy emulator written in C++ that runs on Windows, macOS, Linux, BSD and RetroArch, with an embedded MCP server for AI debugging and development.

Install Gearboy

Package names found in the project's README. Each links to its package page so you can check the publisher first.

Homebrew (macOS)
brew install --cask drhelius

Package page (opens in a new tab)

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FAQ

Gearboy FAQ

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What is Gearboy?

Gearboy is a free, open-source gaming app for Windows, macOS and Linux. Game Boy / Game Boy Color / Super Game Boy emulator and debugger with embedded MCP server for macOS, Windows, Linux, BSD and RetroArch. It has 1,213 GitHub stars and is released under the GPL-3.0 license.

Is Gearboy free and open source?

Yes. Gearboy's source code is public on GitHub under the GPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install Gearboy?

Homebrew: brew install --cask drhelius. The commands are on this page. Installers are also on its GitHub Releases page (latest: 3.8.17).

Is Gearboy still maintained?

The repository's most recent commit was on Oct 6, 2026. appsgit only lists apps whose repository had a commit in the last six months.