Pokemon ROM Patcher

Apply Pokemon ROM hack patches directly in your browser. Nothing is uploaded — your base ROM and patch file stay on your device.

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Patch file

Drag & drop, or click to browseSupports .ips, .ups, .bps, .xdelta and more

Patch format

Your patched ROM will appear here as a local download — generated entirely in your browser, never uploaded.

Your files never leave your device. ROM and patch files are processed locally in your browser. Nothing is uploaded to any server.

Top 50 Pokemon ROM Hacks and Required Base ROMs

Most Pokemon ROM hacks are distributed as a patch, not a full game — you apply that patch to your own copy of the original Pokemon base ROM it was built on. Using the wrong base ROM is the most common reason a Pokemon ROM hack patch fails, showing up as a checksum mismatch, a rejected patch, a white screen, or random crashes in-game. The pokemon base rom reference below covers the required base game, platform, and common patch format for 50 popular Pokemon ROM hacks, including Radical Red, Unbound, and Emerald Rogue.

Tip: Always check the official patch notes for the exact base version. Some hacks need FireRed 1.0, Emerald 1.0, Crystal, or Platinum specifically — a different revision of the same game can still cause a checksum mismatch.

Showing 50 of 50 Pokemon ROM hacks.

Base ROM, platform, and patch format reference for popular Pokemon ROM hacks
Pokemon ROM Hack	Required Base ROM	Platform	Common Patch Format	Status	Notes
Pokemon Radical Red	Pokemon FireRed	GBA	UPS	Active / Updated	Requires a clean FireRed 1.0 (USA) base ROM. Check the official patch page for the exact version.
Pokemon Unbound	Pokemon FireRed	GBA	BPS	Completed / Updated	Needs a clean, unheadered FireRed 1.0 (USA) ROM. Distributed as an official BPS patch.
Pokemon Gaia	Pokemon FireRed	GBA	UPS	Completed	Uses FireRed 1.0 as the base — v1.1 is commonly reported to fail patching.
Pokemon FireRed Rocket Edition	Pokemon FireRed	GBA	IPS	Completed	Official patch targets FireRed 1.0 (USA) specifically — other revisions are not compatible.
Pokemon Emerald Rogue	Pokemon Emerald	GBA	BPS	Active / Updated	Built on a pokeemerald decompilation. Applied to a clean Emerald ROM via the official patcher.
Pokemon Quetzal	Pokemon Emerald	GBA	Varies	Active / Updated	Emerald-based multiplayer hack. Check the official patch page for the exact patch format used.
Pokemon GS Chronicles	Pokemon FireRed	GBA	BPS	Active / Updated	Despite the Gen II theme, it's a FireRed-engine hack, not a Gold/Silver hack.
Pokemon Liquid Crystal	Pokemon FireRed	GBA	IPS	Completed	Requires FireRed 1.0. Re-patch onto a fresh ROM for every new version.
Pokemon Glazed	Pokemon Emerald	GBA	UPS	Completed	Needs a clean Emerald 1.0 ROM as the base.
Pokemon Blazed Glazed	Pokemon Emerald	GBA	Varies	Completed	A Glazed variant built on Emerald 1.0. Check official patch notes for the exact format.
Pokemon Prism	Pokemon Crystal	GBC	BPS	Completed	Sources differ on Gold vs Crystal as the original base — the official patcher targets Crystal. Confirm on RainbowDevs before patching.
Pokemon Crystal Clear	Pokemon Crystal	GBC	BPS	Active / Updated	Official distribution is a BPS patch applied to a clean Crystal ROM; some releases also ship IPS.
Pokemon Brown	Pokemon Red	GB	xdelta	Active / Updated	One of the oldest fan hacks (2004) — still updated as the '20th Anniversary Edition'. Uses Red (USA/EU) as base.
Pokemon Polished Crystal	Pokemon Crystal	GBC	IPS	Active / Updated	Decompilation-based hack distributed via GitHub releases; patches target Crystal (UE) 1.0. Confirm format on the current GitHub release.
Pokemon Renegade Platinum	Pokemon Platinum	NDS	xdelta	Completed	Two separate patches exist depending on your Platinum ROM's numbering — use the one matching your file.
Pokemon Sacred Gold	Pokemon HeartGold	NDS	xdelta	Classic / Legacy	Apply to a clean HeartGold ROM. Always patch a fresh copy rather than an already-patched file.
Pokemon Storm Silver	Pokemon SoulSilver	NDS	xdelta	Classic / Legacy	Apply to a clean SoulSilver ROM using a matching xdelta tool version.
Pokemon Blaze Black	Pokemon Black	NDS	xdelta	Classic / Legacy	European ROMs are the recommended base; distributed only as xdelta patches, never pre-patched.
Pokemon Volt White	Pokemon White	NDS	xdelta	Classic / Legacy	European ROMs are the recommended base; distributed only as xdelta patches, never pre-patched.
Pokemon Blaze Black 2 Redux	Pokemon Black 2	NDS	xdelta	Active / Updated	Must be applied to a clean Black 2 ROM — do not apply to the original Blaze Black 2.
Pokemon Volt White 2 Redux	Pokemon White 2	NDS	xdelta	Active / Updated	Must be applied to a clean White 2 ROM — do not apply to the original Volt White 2.
Pokemon Emerald Kaizo	Pokemon Emerald	GBA	IPS	Completed	Standard Emerald (USA) ROM required as the base.
Pokemon FireRed Omega	Pokemon FireRed	GBA	IPS	Completed	Targets FireRed Rev 0 (1.0). Newer 'Omega DX' / 'Plus Plus' variants may differ — check the specific release page.
Pokemon Dark Rising	Pokemon FireRed	GBA	Varies	Classic / Legacy	Long-running series with multiple sequels (Dark Rising 2, Rebirth) — check the specific entry's patch page for format.
Pokemon Adventure Red Chapter	Pokemon FireRed	GBA	UPS	Completed	Requires FireRed (USA) 1.0 specifically — 1.1 is explicitly unsupported.
Pokemon Ash Gray	Pokemon FireRed	GBA	IPS	Completed	Apply to a clean, unmodified FireRed ROM.
Pokemon Light Platinum	Pokemon Ruby	GBA	IPS	Classic / Legacy	Separate patches exist for Ruby 1.0 and 1.1 — match the patch version to your ROM revision.
Pokemon Flora Sky	Pokemon Emerald	GBA	UPS	Completed	Requires a clean Emerald base ROM.
Pokemon Theta Emerald EX	Pokemon Emerald	GBA	UPS	Completed	Needs Emerald (USA) 1.0 — checksum mismatch errors are usually a wrong base ROM version.
Pokemon Mega Power	Pokemon Emerald	GBA	UPS	Completed	Needs Emerald (USA) 1.0 as the base ROM.
Pokemon Clover	Pokemon FireRed	GBA	BPS	Active / Updated	Requires FireRed 1.0 — the 1.1 revision is explicitly unsupported by the official patch.
Pokemon SORS	Pokemon FireRed	GBA	UPS	Completed	Uses FireRed 1.0. A separate emulator-compatibility IPS patch is offered for some setups.
Pokemon Dreams	Pokemon FireRed	GBA	UPS	Completed	Requires FireRed 1.0 (NTSC) — 1.1 has reported patching issues.
Pokemon Saiph	Pokemon FireRed	GBA	UPS	Completed	Uses FireRed 1.0 (Rev 0). Its sequel, Saiph 2, is distributed as a BPS patch instead — check the release you're using.
Pokemon Saffron	Pokemon Emerald	GBA	Varies	In Development / Demo	Still in active development — confirm the current patch format on the official thread before patching.
Pokemon Nameless	Pokemon FireRed	GBA	BPS	Active / Updated	Current betas use BPS; older demo releases used IPS. Needs FireRed 1.0.
Pokemon Orange Islands	Pokemon FireRed	GBA	IPS	Completed	Standard FireRed base ROM required.
Pokemon Team Rocket Edition	Pokemon Emerald	GBA	Varies	Active / Updated	DragonsDen version is Emerald-based. Check the official site for the current patch format.
Pokemon Ultra Shiny Gold Sigma	Pokemon FireRed	GBA	BPS	Active / Updated	Needs FireRed 1.0 (USA); using 1.1 or another region is a common cause of a white screen. The original Shiny Gold Sigma used IPS.
Pokemon Perfect Crystal	Pokemon Crystal	GBC	IPS	Completed	Targets Crystal (UE) v1.1 specifically.
Pokemon Coral	Pokemon Crystal	GBC	IPS	In Development / Demo	Built on the Polished Crystal engine; targets Crystal (UE) v1.0.
Pokemon Bronze	Pokemon Gold	GBC	Varies	Completed	Check official patch notes for the exact format. Its sequel, Bronze 2, is Crystal-based instead of Gold-based.
Pokemon Fool's Gold	Pokemon Crystal	GBC	IPS	Completed	Targets Crystal Revision 1.1 specifically.
Pokemon Ultra Violet	Pokemon FireRed	GBA	IPS	Completed	Requires FireRed (USA) 1.0.
Pokemon Dark Violet	Pokemon FireRed	GBA	IPS	Completed	Requires a clean FireRed ROM. Check the official patch page to confirm the exact format used for your download.
Pokemon Ruby Destiny	Pokemon Ruby	GBA	Varies	Completed	A trilogy built on Ruby (USA). Check the specific entry (Reign of Legends, Life of Guardians, etc.) for its exact patch format.
Pokemon Vega	Pokemon FireRed	GBA	IPS	Completed	English patch targets FireRed 1.0. A sequel to Altair & Sirius by the same team.
Pokemon Altair & Sirius	Pokemon Emerald	GBA	IPS	Completed	Paired versions differing only in wild encounters, both patched onto a clean English Emerald ROM.
Pokemon Inclement Emerald	Pokemon Emerald	GBA	Varies	Active / Updated	A decompilation-based difficulty hack of Emerald — check the included 'how to patch' file for the exact format.
Pokemon Emerald Crest	Pokemon Emerald	GBA	UPS	Active / Updated	Applied to a clean Emerald ROM using the official patch.

Once you've confirmed the right base game and format, head back up to the Pokemon ROM patcher above, or use the general ROM patcher tool on the homepage. For format details, see Patch Formats Explained, and for a full walkthrough, see How to Patch Pokemon ROM Hacks.

How to Use This Pokemon ROM Hack Table

1
Find the hack name in the search box or table.
2
Check the required base game for that hack.
3
Confirm the common patch format (IPS, UPS, BPS, or xdelta).
4
Use the ROM patcher tool with your base ROM and patch file.
5
If patching fails, check the troubleshooting guide.

Open Troubleshooting Guide

Common Pokemon Patching Mistakes

Using the wrong base ROM

Different regions and revisions (1.0 vs 1.1) have different internal data — a mismatched base ROM is the #1 cause of failed patches.

Learn more

Using a modified ROM instead of a clean base

Cheats, prior patches, or randomizers change the ROM's data, so patches built for a clean base ROM will usually fail or corrupt the file.

Learn more

Mixing FireRed and Emerald hacks

A patch built for FireRed cannot be applied to Emerald (or vice versa) — always match the patch to its intended base game.

Learn more

Using the wrong patch format

IPS, UPS, BPS, and xdelta are not interchangeable. Applying the wrong patcher to a file usually produces an error instead of a working ROM.

Learn more

Opening the patched file in the wrong emulator

GBA hacks need a GBA-compatible emulator, NDS hacks need an NDS-compatible one — mismatched emulators commonly show as a white or black screen.

Learn more

Patching Pokemon ROM Hacks

Pokemon ROM hacks range from small difficulty tweaks to entirely new regions and stories. Because hack creators can’t legally distribute the full modified game, they distribute a patch file — usually in IPS, UPS, or BPS format — that you apply to your own legally-dumped copy of the original game using a Pokemon ROM patcher.

Tips for Pokemon ROM Hacks

Always check the required base ROM region and revision before patching.

Keep an unpatched backup of your original ROM.

Some hacks require a “clean” (unheadered) ROM — check the hack’s notes.

BPS patches include a checksum, so a mismatched base ROM will be rejected automatically.

FAQ

It depends on the hack. Most GBA-era hacks are built on FireRed, LeafGreen, Ruby, or Emerald, while GBC hacks usually need Gold, Silver, or Crystal, and NDS hacks need Platinum, HeartGold, SoulSilver, Black, or White. Check the table above for 50 popular hacks and their required base game.

The most common cause is using the wrong base ROM — a different region, revision (like 1.0 vs 1.1), or a ROM that's already been modified. Patch formats like UPS and BPS include a checksum that intentionally rejects a mismatched base ROM rather than risk corrupting it.

Pokemon Radical Red is built on Pokemon FireRed, typically requiring a clean 1.0 (USA) ROM. Always confirm against the official patch page, since required versions can change between updates.

Pokemon Unbound is also built on Pokemon FireRed 1.0 (USA) and is distributed as a BPS patch. It requires a clean, unheadered ROM file.

Pokemon Gaia is built on Pokemon FireRed, and community documentation consistently points to version 1.0 rather than 1.1 for reliable patching.

No. A patch built for FireRed will not work on an Emerald ROM, and vice versa — the two games have different internal structures. Mixing them up is one of the most common patching mistakes.

Many players use apps like UniPatcher for IPS/UPS/BPS patches on Android. This site's ROM patcher also runs in mobile browsers, since patching happens locally without installing extra software.

Formats like UPS and BPS store a checksum of the exact base ROM they expect. If your ROM doesn't match — wrong region, revision, or a modified file — the patcher reports a checksum mismatch instead of applying a potentially broken patch.

It varies by hack: IPS and UPS are common for older GBA and GBC hacks, BPS has become popular for modern GBA hacks, and NDS hacks (Platinum, HeartGold, SoulSilver, Black/White) almost always use xdelta. When in doubt, check the hack's official patch notes.

Yes. The patcher supports IPS, UPS, BPS, and xdelta patches, covering GBA and GBC-era hacks (Gen 2–3) as well as NDS hacks (Gen 4–5).

Ready to patch your Pokemon ROM hack? PatchMyROM processes everything locally in your browser — nothing is uploaded.

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Pokemon ROM Patcher

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Top 50 Pokemon ROM Hacks and Required Base ROMs

How to Use This Pokemon ROM Hack Table

Common Pokemon Patching Mistakes

Patching Pokemon ROM Hacks

Tips for Pokemon ROM Hacks

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