Pokemon Heart Gold Gba Rom Free
While there is no official GBA release of Pokémon HeartGold
, the term "Pokémon HeartGold GBA ROM" typically refers to fan-made projects that recreate the Nintendo DS experience on the older Game Boy Advance hardware. The Phenomenon of the "GBA Demake"
Officially, Pokémon HeartGold was released in 2010 exclusively for the Nintendo DS. It served as a remake of the 1999 Game Boy Color titles Pokémon Gold and Silver. However, a dedicated community of modders has spent years developing "demakes"—projects that take the enhanced features of the DS version and port them back into the Game Boy Advance engine (specifically using Pokémon Emerald or FireRed as a base). Key Features of HeartGold GBA ROM Hacks
Fan-made versions, such as Pokémon Heart & Soul or Golden Sun, aim to capture the "Gold" experience with modern conveniences:
Engine Modernization: Many hacks use the Pokémon Emerald engine to include Gen 3 mechanics while following the Johto storyline.
Quality of Life: These projects often backport features like the Physical/Special split, reusable TMs, and even the "following Pokémon" mechanic originally seen in the DS version.
Accessibility: Unlike the official DS cartridges, which can cost anywhere from $130 to over $700 on markets like eBay or Mercari, ROM hacks are often available for free to anyone with a GBA emulator. Why Fans Seek a GBA Version
The demand for a GBA version of HeartGold stems from a few factors: Go to product viewer dialog for this item.
Nintendo Pokemon: HeartGold Version & SoulSilver Cartridges Tested & Working Guarantee - Electronics
While Pokémon HeartGold was originally released for the Nintendo DS, several popular ROM hacks "demake" the experience into a GBA format, typically using Pokémon Emerald or Pokémon FireRed
as a base. These projects aim to deliver the Johto region's charm with the classic 32-bit GBA aesthetic and mechanics. Popular Pokémon HeartGold GBA Projects
If you are looking for the Johto experience on a GBA engine, these are the standout community-created versions: Pokémon Heart & Soul
: This is widely considered the premier "HeartGold GBA" experience. Developed as an
decompression hack, it reconstructs the entire Johto game from scratch.
Features: Includes a physical/special split, updated movesets from later generations, and the Fairy type. Quality of Life
: Features "Exp. Share All," nature mints to reduce grinding, and the ability to use HMs without teaching them to your Pokémon. Pokémon HeartGold Generations
: A more recent project (v1.0 released in 2025) that uses a decompression hack to include a massive Pokédex. Pokédex: Features ~835 Pokémon across all 9 generations.
Mechanics: Includes fully functional Mega Evolution and adjusted level curves for gym leaders.
Versions: Offers "Full," "Lite," and "Vanilla" versions to cater to different difficulty preferences. Pokémon ShinyGold Liquid Crystal
: These are older, classic ROM hacks that paved the way for Johto remakes on GBA. While they don't use modern "HeartGold" branding, they were the original way fans played Gen 2 stories on the GBA engine before newer decompilation hacks like Heart & Soul existed. Technical Setup for GBA Hacks
Because these are community mods, they are usually distributed as patch files (often in .ups or .bps format) rather than standalone game files. Obtain the Base ROM: You typically need a clean version of Pokémon Emerald (U) or FireRed (U) .
Apply the Patch: Use a tool like Rom Patcher JS to merge the patch file with your base ROM.
Emulation: These files run on standard GBA emulators. For Android, users often recommend John GBA or Pizza Boy. Why Play a GBA Version?
Many players prefer these "GBA demakes" over the original DS version because of the faster gameplay pace, the beloved Gen 3 art style, and modern features (like Mega Evolutions or Gen 9 Pokémon) that weren't in the 2009 original. If you want a more difficult challenge, Rom Patcher JS - Marc Robledo
If you are looking for a Pokémon HeartGold experience on the GBA, the most popular recommendation is a ROM hack called Pokémon Heart & Soul
. While the official HeartGold was a Nintendo DS title, this fan-made project specifically ports the Johto adventure into the GBA engine. Pokémon Heart & Soul (GBA Decomp Hack)
This project is a complete remake of the classic Johto/Kanto experience built on a modern GBA decompilation of Pokémon Emerald.
Johto Reimagined: Features the full Johto and Kanto regions with modern quality-of-life improvements.
Engine Upgrades: Includes familiar mechanics from Gen 3 mixed with Gen 4 features, such as the Physical/Special split.
Wide Compatibility: Because it is a .gba file, it can be played on virtually any device with a GBA emulator, including Windows, Mac, Android, iOS, and handheld retro consoles like the Anbernic or Miyoo Mini. Alternative: Pokémon HeartGold Generations (DS)
If you are actually looking for the best modern way to play HeartGold (on its original DS engine) with added features, Pokémon HeartGold Generations is a top-tier hack.
Massive Roster: Over 950 Pokémon from generations 1 through 9 are available to catch.
Mega Evolution: Includes a fully functional Mega Evolution system.
Performance: Features a 60fps unlocked framerate to speed up the traditionally slow Gen 4 gameplay.
Post-Game: Includes Kanto gym leaders as an endgame "boss rush". How to Install ( Heart & Soul GBA )
To play the GBA version, you typically need to patch a clean ROM: Obtain a clean Pokémon - Emerald Version (U).gba file. Download the Heart & Soul patch file (available on GitHub or PokeCommunity). pokemon heart gold gba rom
Use an online tool like the Rom Patcher JS to apply the patch.
While there is no official GBA version of Pokémon HeartGold
(it was a Nintendo DS game), several high-quality GBA "demakes" recreate its story and features using the Pokémon Emerald
engine. These ROM hacks allow you to experience the sprawling Johto adventure with the classic GBA aesthetic. Top GBA "HeartGold" ROM Hacks Pokémon Heart & Soul
: Frequently cited as the definitive Johto GBA experience. It faithfully recreates the full Johto and Kanto regions, including a day/night system and overworld Pokémon that follow you. It’s built for players who want the nostalgia of Gen 2 mixed with modern features like the Physical/Special split and infinite TMs. Pokémon Definitive HeartGold
: An expansion hack that aims to elevate the story content and quality of life. It includes all 493 Pokémon from Gen 4 and focuses on making the Johto and Kanto regions feel more complete without drastically increasing difficulty. Pokémon HeartGold Generations
: A more expansive "decomp hack" that includes over 800 Pokémon from all 9 generations. It maintains the core Johto story but adds Mega Evolution and level caps to keep the gym challenges relevant. Core Story & Gameplay Highlights The story follows the journey of a young trainer from New Bark Town
who aims to become the Champion. Key story beats found in these ROMs include:
While the official Pokémon HeartGold was released for the Nintendo DS, the ROM hacking community has created several "demakes" and adaptations that allow you to play this experience as a . These hacks typically use Pokémon Emerald Pokémon FireRed
as a base to recreate the Johto region with modern features. Top Pokémon HeartGold GBA Recommendations
If you are looking for the "HeartGold experience" on a GBA emulator, these are the most highly-regarded projects as of 2026: Pokémon Heart & Soul (v1.2.1) Description : A complete Johto remake built on the Pokémon Emerald decompilation project. Key Features
: Includes the full Johto story and Kanto post-game, overworld Pokémon sprites, and deep customization for difficulty, EXP rates, and EV/IV settings.
: It is widely considered the definitive Johto experience on GBA because it feels like a modern polished game rather than a simple map swap. Pokémon HeartGold Generations (v2.0) Description
: A difficulty-oriented hack featuring a massive roster and modern battle mechanics. Key Features
: Includes ~950 Pokémon across all 9 generations, fully functional Mega Evolution
, a 60fps unlocked framerate, and a portable PC for easy party switching.
: Best for players who want a "Hard Mode" version of Johto with modern competitive features like Nature Mints and Ability Capsules. Pokémon Liquid Crystal Description : One of the oldest and most famous Johto remakes for GBA. Key Features : While technically a remake of , it incorporates many
aesthetics, including a remastered soundtrack and expanded Kanto regions.
: It offers a nostalgia-heavy experience that bridges the gap between Gen 2 and Gen 3. GBA Demake vs. Original DS HeartGold
When playing a GBA "HeartGold" ROM, you will notice several technical differences compared to the official DS version GBA ROM Hack (e.g., Heart & Soul Official DS HeartGold 32-bit GBA Sprites (Emerald style) 2.5D Hybrid Graphics Often includes Gen 4-9 features Native Gen 4 Mechanics Berry System Replaces Apricorns with Berries Traditional Apricorns & Pokéathlon GBA-style remixes of Johto themes DS-orchestrated soundtrack Typically Johto + Kanto Johto, Kanto, & Battle Frontier How to Play You Can Play Pokémon ROM Hacks on Mobile!
While Pokémon HeartGold was originally released for the Nintendo DS, several fan-made GBA ROM hacks exist that port the HeartGold experience (Johto region) onto the Game Boy Advance engine. The most prominent example is Pokémon Heart & Soul
, which recreates the complete Johto and Kanto journey with modern features. Top Pokémon HeartGold GBA Recreations
Since Nintendo never released HeartGold for GBA, players typically look for these high-quality fan projects: Pokémon Heart & Soul :
Core Features: Recreates the full Johto story and Kanto postgame.
Following Pokémon: Implements the iconic mechanic where your lead Pokémon follows you in the overworld.
Modern Mechanics: Includes the physical/special split, Fairy-type toggle, and overworld encounter previews. Installation : Requires a base Pokémon Emerald GBA ROM and the Heart & Soul patch file. Pokémon Heart Red :
An older but well-known hack that adapts HeartGold/SoulSilver elements into a FireRed-based engine. Key Features of HeartGold GBA Hacks
Modern ROM hacks often enhance the original GBA games with features inspired by the DS remakes:
Expanded Pokédex: Most GBA remakes include Pokémon from Generations 1–3, with some newer hacks adding species up to Generation 9. Quality of Life
: Features like infinite TMs, Nature Mints, Ability Capsules, and removal of trade-based evolutions are common. Customization: Advanced hacks like Heart & Soul
allow you to adjust shiny rates, EXP gain, and level caps directly in-game. How to Play
To play these games, you cannot simply download a finished "GBA HeartGold" file from reputable sources due to copyright; instead, you use a legal "Base ROM" and apply a patch. Get a Base ROM: Usually Pokémon FireRed (U) or Pokémon Emerald (U) .
Download the Patch: Get the .ips or .ups file from community forums like PokeCommunity.
Apply the Patch: Use a tool like ROM Patcher JS to combine the base ROM and the patch.
Run in an Emulator: Play the resulting file on emulators like RetroArch or Pizza Boy for Android. While there is no official GBA release of
Searching for a " Pokemon HeartGold " is a bit of a trick question! Officially, Pokemon HeartGold was released only for the Nintendo DS
. However, the massive ROM hacking community has created several "demakes" and recreations that let you experience the Johto region with the classic Game Boy Advance (GBA) engine and aesthetics.
Here is a breakdown of what you are likely looking for and how to play these fan-made versions. 1. The Best "HeartGold" GBA Alternatives
Since an official GBA version doesn't exist, you'll want to look for these highly-rated ROM hacks that recreate the Johto experience: Pokemon Liquid Crystal
Widely considered the gold standard for Johto on GBA. It features remastered music, the full Johto and Kanto regions, and an expanded story with new areas and rivals. Pokemon Shiny Gold Shiny Gold Sigma
One of the oldest and most famous hacks. The "Sigma" version is more modern, adding Mega Evolutions and Pokemon from later generations. Pokemon Crystal Advance
A more "purist" approach that aims to recreate the original Crystal experience on the FireRed engine without adding too many modern gimmicks. 2. Why People Look for GBA Versions
Many players prefer these ROM hacks over the official DS version for a few reasons: Performance:
GBA emulators run smoothly on almost any hardware, including low-end smartphones and older handhelds. Single-Screen Layout:
Some players find the dual-screen DS layout cluttered and prefer the classic single-screen GBA look. Fast-Forwarding:
GBA emulators often have more stable fast-forward features, making the "grind" of leveling up much faster. 3. How to Play These ROMs
To play these fan games, you generally cannot just download a pre-made file (due to copyright). Instead, you follow these steps: Get a Clean Base ROM: You usually need a clean ROM of Pokemon FireRed (v1.0) Download the Patch: Go to a community site like the PokeCommunity ROM Hacks forum to find the patch file for the specific game you want (e.g., Liquid Crystal Apply the Patch: Use an online tool like RomPatcher.js
to merge your FireRed ROM with the patch file. This creates your new "HeartGold" GBA file. Open the resulting file in a GBA emulator like (PC/Mac) or (Android). Pro-Tip: Saving and Resetting If you end up playing a version that uses the
engine, remember that starting a new game often requires you to manually delete the old save first. On the title screen, you typically hold Up + B + Select to wipe the data. strictly true to the original story, or are you interested in a hack that adds modern features like Mega Evolutions?
3. Simpler Emulation
GBA emulation has been solved for 20 years. It runs on a toaster. DS emulation, while good now, still requires more CPU power and managing two windows (or a cluttered layout on a phone).
Suggested next steps (safe & legal):
- To play real HeartGold → Buy a used DS cartridge or download from Nintendo eShop (Wii U only now). Emulate with MelonDS/DeSmuME using your own cartridge dump.
- To play a GBA Johto game → Play official Pokemon Gold/Silver/Crystal (GBC) on a GBA, or Pokemon FireRed/LeafGreen (Kanto only). For hacks, search for "Pokemon Liquid Crystal" or "GS Chronicles" and follow patching guides using a legal ROM base.
- To avoid scams → Never download
.exefiles claiming to be a GBA ROM. Stick to known emulation communities (like /r/ROMs or GBAtemp) for guidance, not direct downloads.
Would you like a step-by-step guide on patching a GBA ROM hack (like Liquid Crystal) instead? That’s the closest you’ll legally get to a "HeartGold GBA experience."
The concept of a " Pokémon HeartGold GBA ROM" is a fascinating intersection of official gaming history and the vibrant world of fan-made modifications. While Pokémon HeartGold was officially released for the Nintendo DS in 2009, its existence as a Game Boy Advance (GBA) ROM is entirely the result of "ROM hacking"—a community-driven effort to demake the DS masterpiece into the engine of its predecessors like Pokémon FireRed or Emerald. The Appeal of the "Demake"
The primary allure of a HeartGold GBA ROM lies in nostalgia and accessibility. For many, the GBA era represents the aesthetic peak of the franchise, featuring crisp pixel art and a specific sound chip charm that the DS’s early 3D rendering lacked. By porting the Johto region back to the GBA, fan developers allow players to experience the updated "Generation IV" mechanics—such as the Physical/Special split and expanded movepools—within the classic 32-bit framework. Technical Feats and Fan Dedication
Creating a HeartGold GBA ROM is no simple task. Since the GBA lacks the dual screens and touch capabilities of the DS, hackers must completely redesign the user interface. Notable projects, such as Pokémon ShinyGold
or the more recent Pokémon FireGold, showcase incredible dedication by:
Reimagining Johto: Recreating every route, town, and cave from the ground up using GBA tilesets.
Scripting Events: Manually coding complex sequences like the Red battle at Mt. Silver or the Bug Catching Contest.
Soundtracking: Converting the iconic Johto melodies into the GBA’s signature chiptune style. The Legal and Ethical Landscape
It is important to distinguish these fan projects from official software. Nintendo and The Pokémon Company do not authorize these ROMs, and they exist in a legal "grey area." While they are celebrated by the community as tributes that keep older hardware relevant, they are also subject to takedown notices if they infringe too heavily on intellectual property. Consequently, these ROMs are typically shared as "patches" (like .ips or .ups files) rather than complete game files, requiring the user to own a legal copy of a base game like Pokémon FireRed. Conclusion
A "Pokémon HeartGold GBA ROM" is more than just a pirated game; it is a testament to the enduring legacy of the Johto region. It represents a bridge between generations, offering a "what if" scenario that combines the best of 2009's content with 2004's beloved hardware. For the Pokémon community, these projects ensure that no matter how much the technology evolves, the journey from New Bark Town remains timeless.
It is important to clarify a technical distinction before providing an analysis of this topic.
There is no official game titled "Pokémon HeartGold" for the Game Boy Advance (GBA).
Pokémon HeartGold and SoulSilver were officially released by Nintendo and Game Freak for the Nintendo DS in 2009. They are technically incompatible with the Game Boy Advance hardware.
However, the search term "Pokémon HeartGold GBA ROM" is extremely popular. It refers to a specific category of software known as ROM Hacks. These are fan-made modifications of existing GBA games (usually Pokémon FireRed) that have been reprogrammed to resemble the Nintendo DS version of HeartGold.
Below is a formal paper analyzing the technical, legal, and cultural aspects of this phenomenon.
Title: Preservation Through Modification: A Technical and Legal Analysis of "Pokémon HeartGold" Game Boy Advance ROM Hacks
Abstract This paper explores the phenomenon surrounding the search query "Pokémon HeartGold GBA ROM." While no official commercial release exists under this title, the term refers to a prominent category of video game modifications (ROM hacks). By reverse-engineering the 2004 title Pokémon FireRed, independent developers have created unauthorized ports of the 2009 Nintendo DS title Pokémon HeartGold for legacy hardware. This analysis examines the technical feasibility of porting Nintendo DS assets to the Game Boy Advance architecture, the cultural drivers behind the demand for such modifications, and the complex copyright implications of distributing "Fan Games."
1. Introduction The Pokémon video game series is historically segmented by hardware generations. The Second Generation (Gold, Silver, Crystal) debuted on the Game Boy Color, while the Fourth Generation remakes (HeartGold, SoulSilver) were designed for the dual-screen Nintendo DS. Despite the DS possessing significantly higher processing power and screen resolution, a persistent demand exists for playing Fourth Generation content on the Game Boy Advance (GBA). This demand has given rise to unofficial software commonly referred to by users as "Pokémon HeartGold GBA ROMs." This paper identifies these works as "ROM Hacks"—derivative works created by modifying the binary code of existing GBA games.
2. Technical Constraints and Implementation Creating a functional version of HeartGold for the GBA presents significant technical challenges due to hardware disparities between the Nintendo DS and the GBA.
- Processing Power: The Nintendo DS utilizes two ARM processors (ARM7 and ARM9), while the GBA relies on a single ARM7TDMI CPU. To accommodate this reduction in processing power, ROM hackers must optimize code and often remove complex visual effects present in the DS version.
- Screen Resolution: The DS features a resolution of 256x192 pixels across two screens. The GBA has a single screen with a resolution of 256x160 pixels. Hackers must remap the user interface (UI), condensing dual-screen information (such as the DS touch-screen menu) into a single-screen display.
- Asset Compression: The HeartGold soundtrack and sprite data are larger than the standard GBA cartridge capacity (typically 32MB, expandable to larger ROM sizes via emulation). Hackers utilize audio drivers (such as Sappy or custom implementations) to downsample DS audio for the GBA sound chip.
Popular iterations of these hacks, such as "Pokémon HeartGold Version (FireRed Hack)," utilize the base engine of Pokémon FireRed but inject new maps, scripts, and Pokémon data (generations 1 through 4) to simulate the HeartGold experience. Suggested next steps (safe & legal):
3. Cultural Drivers: Why "Downport"? The popularity
Conclusion: Search Smarter, Play Happier
The quest for the "Pokemon Heart Gold GBA Rom" is a digital wild goose chase. You will not find an official version because it was never made. However, what you will find is a vibrant community that has created two solutions:
- The Demake Route: Fan-made GBA rom hacks that rebuild Johto from the ground up.
- The Correct Emulation Route: Using a DS emulator (like MelonDS) to play the real
.ndsfile.
Before you click any suspicious link, ask yourself what you truly want. Do you want a virus? Or do you want to walk through Ilex Forest with a Cyndaquil following behind you?
If it is the latter, skip the fake GBA ROMs. Download a DS emulator, find a verified HeartGold .nds file (using only legally owned copies), or explore the incredible demake community. The Johto journey awaits—you just need to use the right map to get there.
Happy training, trainers.
Pokémon HeartGold GBA ROM" is technically a , as the official Pokémon HeartGold
was released for the Nintendo DS, not the Game Boy Advance. These fan-made projects use the Pokémon FireRed
engines to recreate the Johto experience on GBA hardware or emulators.
Below is an overview of this phenomenon, focusing on its development, technical execution, and the community surrounding it. 1. The Concept: Reimagining Johto Pokémon HeartGold SoulSilver
(2009) were remakes of the original Gen 2 games, built on the Nintendo DS engine. The "GBA ROM" versions are community-driven efforts to port those features—such as following Pokémon, updated graphics, and Gen 4 mechanics—back to the 32-bit GBA architecture. Notable projects in this space include Pokémon Liquid Crystal Pokémon ShinyGold 2. Technical Implementation
Creating these ROMs involves several complex "hacking" layers: Engine Patching: Developers use tools like Advance Map to rewrite the original map and script data. Asset Porting:
Music and sprites from the DS version must be downscaled to fit GBA limitations while maintaining the aesthetic of the DS remakes. Mechanical Updates:
Many hacks include the "Physical/Special split" (introduced in Gen 4) and updated move-sets that weren't originally in the GBA games. 3. Gameplay Features Unlike the original Gen 2 games ( Gold/Silver/Crystal ), these GBA "HeartGold" hacks often include: Expanded Pokédex: Inclusion of Pokémon from Gen 4 and beyond. Quality of Life Improvements: Infinite TMs, faster text speed, and reusable Repels. Custom Storylines:
Some creators add new "Orange Islands" or "Battle Frontier" content not found in the official DS remakes. 4. Emulation and Compatibility Because these are files, they are highly accessible.
They can be played on original GBA hardware using flashcarts (like the Mobile Emulators: Users often use the Delta Emulator to play on smartphones. Cheat Support: Most GBA HeartGold hacks support legacy Action Replay or GameShark codes originally designed for 5. Legal and Ethical Landscape
It is important to note that Nintendo does not authorize ROM hacks. Distributing pre-patched ROM files often leads to DMCA takedowns. The community typically shares these as
patch files, which require the user to own a legal copy of the base game (like Pokémon FireRed ) to apply the modifications. how to apply a patch to a base GBA file? How to use Cheats in Pokemon games on Delta
While Pokémon HeartGold was originally released for the Nintendo DS, there are fan-made "GBA ROM hacks" that recreate the Johto experience on the Game Boy Advance engine. If you are putting together text for a listing, guide, or project page, Pokémon HeartGold GBA (Fan Remake)
Experience the classic Johto journey redesigned for the GBA. This version brings the features of the DS remakes—including updated graphics, the physical/special split, and Johto's expanded Pokédex—to the classic 32-bit hardware. Region: Johto & Kanto Engine: Pokémon FireRed (GBA) Key Features:
Generation 4 Graphics: Updated tiles and sprites to match the HeartGold aesthetic.
Modern Mechanics: Includes the physical/special move split and Fairy-type (in specific versions).
Follower Pokémon: Some versions include the iconic "walking with Pokémon" feature.
Day/Night System: Real-time events and time-based evolutions. Quick Start & Troubleshooting
Resetting Your Game: If you need to clear an existing save file to start fresh, use the button combination Select + B + Up on the title screen according to users on Reddit .
Cheat Codes: Many GBA versions support standard FireRed codes, while others use specific HeartGold cheats for items like All Poké Balls (Press L+R) or All TMs/HMs (Select + Up) as detailed by RadioTimes .
Hardware Compatibility: To play on original hardware, you can use a flashcart like the EZ Flash, which allows you to run patched ROMs on a GBA or DS Lite as suggested by enthusiasts at Fire Emblem Universe .
Check out how the original DS versions interact with physical GBA cartridges using the dual-slot feature:
I notice you're looking for a "Pokemon HeartGold GBA ROM." Just to clarify: Pokémon HeartGold was originally released for the Nintendo DS, not the Game Boy Advance. There is no official GBA version of HeartGold.
However, I understand you might be looking for one of these:
- A ROM of the actual DS game – That exists, but it requires a DS emulator (like DeSmuME or MelonDS), not a GBA emulator.
- A GBA rom hack – Some fan-made ROM hacks recreate Johto (or HeartGold's story) on GBA, such as Pokémon Liquid Crystal, Pokémon Shiny Gold, or Pokémon GS Chronicles. These are not official and are played on GBA emulators.
Important legal note: Downloading copyrighted ROMs is illegal unless you own the original game and create your own backup. I can't provide direct download links.
If you're looking for a fan-made GBA hack inspired by HeartGold, search for terms like:
- "Pokemon GS Chronicles GBA download"
- "Pokemon Liquid Crystal download"
If you actually want to play the real HeartGold, you'll need a DS emulator and the DS ROM.
Let me know which one you meant, and I can point you to safe, legal guidance (like emulator setup or hack recommendations without linking copyrighted files).
2. Pokemon ROM hacks on GBA that are similar to HeartGold:
Some GBA hacks recreate Johto or use HeartGold features:
- Pokemon Liquid Crystal (GBA hack of Crystal, but with added HG/SS elements)
- Pokemon Shiny Gold (GBA hack of Gold, not HeartGold)
- Pokemon GS Chronicles (GBA, Johto with modern mechanics)
These are fan-made and require a legal GBA BIOS and your own ROM dump of a base game (e.g., FireRed) to patch.
Part 5: A Word on Legality and Ethics
No article about ROMs is complete without the legal disclaimer.
- Copyright: Pokémon HeartGold and SoulSilver are intellectual property of Nintendo, Game Freak, and Creatures Inc. Downloading ROMs of games you do not own is copyright infringement.
- The Gray Area: Most emulation fans abide by the "24-hour rule" (download only if you own the original cartridge) or exclusively play fan-made demakes that contain no original Nintendo assets.
- The Safe Path: If you love Johto, support the franchise legally. Pokémon HeartGold is available second-hand, or you can play modern Johto experiences in Pokémon Gold & Silver on the Nintendo 3DS eShop (now closed) or via Nintendo Switch Online’s Game Boy Classic library.