There are 2 repositories under gbz80 topic.
Disassembly of Pokémon Crystal
Rednex Game Boy Development System - An assembly toolchain for the Nintendo Game Boy and Game Boy Color
An upgrade to Pokémon Crystal. Brings features and content up to date, and adds some original content.
The development kit for over a hundred z80 family machines - c compiler, assembler, linker, libraries.
Disassembly of the Pokémon Gold and Silver 1997 Space World demo
An upgrade to Pokémon Red/Blue. Ports graphics and features from the Space World 1997 Gold/Silver prototype.
Disassembly of Pokémon Puzzle Challenge
Enhanced engine for Pokemon Crystal romhacking
Tools for working with the Pokémon disassemblies
Cooking game for the gameboy dmg, written in assembly. Art by rech!
An hello world for Game Boy made with GBZ80 asm
An implementation of Conway's Game of Life for the GameBoy
Robot Poncots (ロボポン) Sun and Star (Japanese)
Set of rgbasm macros and constants to facilitate readability for modern programmers
Rubik's cube on Gameboy!
Interactive disassembler for GameBoy ROM.
Battleship-like game for Gameboy written in Assembly
Sliding puzzle Gameboy ROM for GBCompo21
Repository for the source codes for 1D Marathon for all platforms.
A quick and dirty Game Boy (Color) engine core for homebrew games
A clone of Google Chrome's popular game built for the Game Boy
Gameboy Digital Clock display simulator
:deciduous_tree: RGBASM grammar for tree-sitter
A simple brick breaker clone made for the Game Boy (Color)
WIP Russian translation of Pokémon Red/Blue Disassembly