SGDK - A free and open development kit for the Sega Mega Drive

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• Updated Nov 10, 2026
• C

The single, most comprehensive Game Boy technical reference.

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• Updated Oct 30, 2026
• Markdown

A short list of development resources for MS-DOS. Heavily influenced by my own projects and favorites

retrocomputing ms-dos retrodev

• Updated Sep 23, 2026

GIMP plug-in to read/write SNES / NES / GB / GBA / NGP / MD / etc ROM image, tile and sprite files

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• Updated Aug 24, 2026
• C

Source code for Sonic The Hedgehog XA, an open source fangame/engine built for the PlayStation 1

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• Updated Aug 28, 2026
• C

Visual Studio Code Genesis Development Extension

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• Updated Oct 3, 2026
• TypeScript

A puzzle game for the Game Boy Color (CGB), Analogue Pocket (AP) and Game Gear(GG). Build pets in all shapes and sizes, keep the board clear.

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• Updated Nov 12, 2026
• C

A collection of spectrum and spectrum next assembly routines of various performance levels.

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• Updated Sep 14, 2025
• Assembly

libNG is an addon/toolchain to build NEOGEO games with SGDK

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• Updated Jun 1, 2026
• C#

2D platformer game about Lil' Matchy's adventures for the original Game Boy

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• Updated Oct 11, 2019
• C

Some of this code is part of youtube videos. Click on the website https://www.youtube.com/channel/UCLak9dN2fgKU9keY2XEBRFQ

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• Updated Mar 26, 2026
• JavaScript

Tetris game for Genesis, written in C using SGDK.

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• Updated May 12, 2022
• C

Taller Desarrollo para Mega Drive

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• Updated Jul 15, 2024

Source to the 3DO game Icebreaker

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• Updated Jan 18, 2023
• C++

An all in one 3DO image conversion tool

retrogaming 3do retrodev

• Updated Sep 7, 2026
• C++

A shell for the WinUAE and FS-UAE Amiga emulators.

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• Updated May 4, 2020
• JavaScript

GCC M68K assembly optimizer for the SGDK framework

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• Updated Nov 11, 2026
• Python

PlayStation 1 (PSX) Docker toolchain for building projects and ISO images

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• Updated Feb 3, 2025
• Dockerfile

Megadrive Titan 256 Colors Forever

c gcc mega-drive megadrive m68k motorola-68000 m68000 sgdk retrodev m68k-elf-gcc

• Updated Jul 20, 2026
• Assembly

A Claude skill for building, porting, optimizing, and testing games for the Sega 32X. It turns a game idea or a port target into a playable, verified `.32x` cartridge ROM — and, just as importantly, it knows how to prove the ROM actually works instead of stopping at "it compiled."

homebrew retrodev sega-32x claude-skills

• Updated Oct 12, 2026
• C