A C# 2D Pokémon game engine and map editor.

game pokemon games opengl csharp game-engine dotnet engine sdl2 avalonia dotnet-core romhacking sound-engine rom-hacking battle pokemon-battle-simulator pokemon-battle pokemon-engine rom-hack

• Updated Apr 15, 2024
• C#

Official English translation of Pokémon Origin HeartGold (起源心金): xdelta patch, guide and Pokédex

pokemon translation nds rom-hack heartgold origin-heartgold

• Updated Oct 30, 2026
• Python

(On hiatus untill untill further notice) RetroMole's main repo

editor nes snes romhack rom romhacking super-nintendo rom-hacking editors rom-hack rom-editor

• Updated Sep 14, 2026
• C#

Fan romhack of Dragon Ball Z: Supersonic Warriors 2 (Nintendo DS). A pure fighting version with new characters to unlock. Patch only, bring your own ROM. Unofficial, not for sale.

romhack fan-game nds nintendo-ds fighting-game xdelta dragon-ball rom-hack dragon-ball-z supersonic-warriors

• Updated Oct 29, 2026

Wishes of Tomorrow — a full-length ROM hack for the GBA. Original region, three-act campaign, 60+ custom maps.

gamedev pokemon gba decomp rom-hack pokeemerald pokeemerald-expansion

• Updated Nov 9, 2026
• C

GameCube homebrew for reading, editing, and exporting Pokemon Gen 3 saves (Ruby/Sapphire/Emerald/FireRed/LeafGreen + ROM hacks + XD + Colosseum) with a Pokemon Box-inspired graphics UI

homebrew pokemon devkitpro gamecube save-editor pkhex rom-hack

• Updated Jul 1, 2026
• C

A ROM mod that adds a complete Shiny Pokémon system to Pokémon Rumble Blast (3DS) - shiny spawns, alternate models, guaranteed catch, and save persistence.

pokemon modding shiny reverse-engineering nintendo-3ds 3ds arm11 rom-hack pokemon-rumble-blast

• Updated Apr 14, 2026
• Python

A modernized Pokémon Yellow ROM hack

game pokemon gameboy assembly reverse-engineering gameboy-color rgbds gbz80 retro-gaming pokemon-gen1 pokemon-yellow rom-hack hackrom pokemon-rom-hack yellowplusplus

• Updated Oct 16, 2026
• Assembly

Pokémon Emerald Textbox Simulator

pokemon romhacking rom-hacking rom-hack

• Updated Aug 4, 2023
• HTML

Pokémon World merges Kanto, Johto, and Hoenn into a single Game Boy Advance game — three complete, self-contained adventures chosen from a central World Transit hub. Your PC box, Pokédex, and bag carry across all three, so the Pokémon you raise travel with you between regions.

pokemon games gba gameboy-advance fangame rom-hack pokeemerald 2026 pokeemerald-expansion

• Updated Nov 12, 2026
• C

Golden Sun and The Lost Age on one GBA cartridge - a builder for your own ROM dumps (no game data included)

gba golden-sun game-boy-advance rom-hack

• Updated Oct 22, 2026
• Python

Dragon Song: Definitive Edition, a fan patch for Lunar: Dragon Song (DS) that fixes the 'worst RPG ever made': no HP cost to run, EXP and silver from every battle, target picking, faster battles, no microphone.

romhack nds nintendo-ds lunar jrpg rom-hack fan-patch bps-patch lunar-dragon-song

• Updated Oct 13, 2026
• Python

Sacred Gold Plus — a fan continuation of the Pokémon HeartGold ROM hack: sources, tools and tests; player packages on the Releases page

pokemon romhacking rom-hacking nintendo-ds xdelta melonds rom-hack pokemon-heartgold heartgold sacred-gold pokemon-romhack

• Updated Nov 9, 2026
• Python

Pokémon World is a GBA fan game bringing Hoenn, Kanto, Johto, and Sinnoh into one adventure. Explore four regions, build new teams, collect regional Pokédexes, and battle with Mega Evolution, Dynamax, and Gigantamax.

pokemon gba fan-game kanto johto gba-emulator hoenn sinnoh rom-hack mega-evolution dynamax gigantamax pokemon-world

• Updated Nov 5, 2026

Modification of Pokémon Red/Blue where Squirtle is replaced with the unreasonably adorable Oshawott~

pokemon disassembly rom-hack

• Updated Mar 10, 2020
• Assembly

FireRed Evolved [ROM HACK] for GBA, with all 251 Gen 1 and Gen 2 Pokémon on one save, the Battle Frontier, bigger battle rewards.

github-pages pokemon bps rom-hack firered rom-patcher

• Updated Nov 11, 2026
• JavaScript

MD+ Patch for Streets of Rage 1

sega mega-drive genesis romhacking megadrive sega-mega-drive sega-megadrive sega-genesis cd-audio 68k streets-of-rage 68k-assembly rom-hack

• Updated Apr 3, 2021
• Assembly

Anarchistic Collaborative TV Game but better

assembly collaboration sonic-the-hedgehog sega-genesis 68k-assembly rom-hack anarchistic-collaborative-tv-game anyone-can-edit

• Updated Oct 26, 2022
• Assembly

Button Controls patch for Zelda: Phantom Hourglass (NDS)

zelda accessibility patch romhacking nintendo-ds rom-hack phantom-hourglass

• Updated Oct 28, 2026
• Assembly

Pokémon Ultimate Gold — HeartGold enhancements, bilingual wiki, and an in-browser ROM patcher.

github-pages pokemon wiki nds rom-hacking nintendo-ds xdelta rom-hack heartgold web-patcher

• Updated Nov 2, 2026
• Python