The Pokeemerald Expansion is a collection of feature branches that can be integrated into existing pokeemerald projects.

• Upgraded battle engine.
  • Fairy Type.
  • Physical/Special/Status Category Split.
  • New moves and abilities up to SwSh.
  • Options to change behaviors and data by generation.
  • Mega Evolution and Primal Reversion
  • Z-Moves
• Pokémon Species from newer Generations (with the option to disable them if needed).
  • Updates Hoenn's Regional Dex to match ORAS'.
  • Updates National Dex incorporating all the new species.
  • Option to change base stats by generation.
  • New evolution methods.
  • Hidden Abilities data (How to make them available is up to the user).
• Items from newer Generations and updated item effects for battle and field use.

Certain mechanics, moves, abilities and species sprites are missing. For more information, see the project's milestones.

The project was originally started by DizzyEgg alongside other contributors.

The project has now gotten larger and DizzyEgg is now maintaining the project as part of the ROM Hacking Hideout community. Some members of this community are taking on larger roles to help maintain the project.

Yes! Contributions are welcome via Pull Requests and they will be reviewed by maintainers. Don't feel discouraged if we take a bit to review your PR, we'll get to it.

A Discord-based ROM hacking community that has many members who hack using the disassembly and decompilation projects for Pokémon. Quite a few contributors to the original feature branches by DizzyEgg were members of ROM Hacking Hideout. You can call it RHH for short!

Click here to join the RHH Discord Server!