The Game Boy was a line of handheld gaming devices created and sold by Nintendo. Typically development of the Game Boy done today includes homebrew games, emulator building, and preserving code and coding techniques.

A curated list of Game Boy development resources such as tools, docs, emulators, related projects and open-source ROMs.

• UpdatedJan 29, 2025

Disassembly of Pokémon Crystal

• UpdatedMar 15, 2025
• Assembly

Game Boy and Game Boy Color emulator written in C

• UpdatedMar 21, 2025
• C

Game Boy / Game Boy Color Emulator Library, 🎮written for WebAssembly using AssemblyScript. 🚀Demos built with Preact and Svelte. ⚛️

• UpdatedMar 4, 2023
• WebAssembly

An upgrade to Pokémon Crystal. Brings features and content up to date, and adds some original content.

• UpdatedMar 22, 2025
• Assembly

Game Boy Advance, Game Boy, Game Boy Color, and DS Emulator

• UpdatedFeb 23, 2025
• C

This is my OLD and BAD GameBoy Emulator, please visit DawnGB, my new GameBoy emulator!

• UpdatedFeb 12, 2024
• Go

Disassembly of Pokémon Gold/Silver

• UpdatedMar 15, 2025
• Assembly

A tilemap editor for Game Boy, Color, Advance, DS, and SNES projects. Written in C++ with FLTK.

• UpdatedOct 12, 2022
• C++

Gameboy / Gameboy Color Emulator PWA built with Preact. ⚛️ Powered by wasmBoy. 🎮Themed with VaporWave. 🌴🐬

• UpdatedFeb 2, 2023
• JavaScript

Simplified GBDK examples

• UpdatedJan 6, 2022
• C

A GB, GBC and GBA emulator with GB Camera support.

• UpdatedNov 2, 2024
• C

Learn to create games for the Game Boy using Assembly

• UpdatedFeb 26, 2025
• Assembly

WebXR immersive console emulator w/ Retroach, Javascript, and WASM

• UpdatedNov 21, 2023
• JavaScript

C# GameBoy Emulator

• UpdatedMay 9, 2020
• C#

latest version of original laguna source, with a handful fixes for modern compilers and systems

• UpdatedJun 10, 2023
• C

NES, Gameboy/Color, Sega Master System / GameGear, and Sega Genesis / MegaDrive Emulators running on ESP BOX and ESP BOX-3 with a custom gamepad

• UpdatedMar 20, 2025
• C

an exciting new adventure for the Game Boy Color

• UpdatedDec 30, 2022
• Python

A Game Boy, Game Boy Color, and Game Boy Advance emulator in Crystal Lang

• UpdatedDec 9, 2023
• Crystal

GameBoy emulator written in C#

• UpdatedJun 10, 2020
• C#