Overview
Pokémon Emerald: Seaglass Version is a lovingly enhanced ROM hack of Emerald that balances competitive mechanics, QoL improvements, and expanded post-game features into a complete and refreshing Hoenn experience.
Game Details
Developers: Nemo622
Base Game: Emerald
Base Game Version: Pokémon Emerald USA
Platforms: GBA
Game Info
Release Date: May 12, 2023
Updated: July 8, 2025
Playtime: 35–50 hours
Status: Completed
Version: 3.0
Storyline
Set in the Hoenn region, you embark on a journey to become the Pokémon Champion while uncovering the mysteries of new legendary Pokémon through quests. Alongside the standard plot, you’ll explore new areas, face tougher trainers, and engage in side stories involving rare Pokémon and unique in-game events, making the adventure more immersive and unpredictable.
Trailer
No trailer available.
Features
Complete visual overhaul with GSC-style retro aesthetics
All Pokémon from Generations 1–3 obtainable, with cross-gen evolutions
Overworld following Pokémon for immersive exploration
Fairy type and Physical/Special split implemented
Party-wide EXP Share with soft level caps
Optional Z-Moves unlocked via Devon Corp events
SCUBA SAFARI minigame for underwater exploration and rewards
PINBALL minigames in Mauville and Mossdeep with redeemable points
Battle UI improvements including type effectiveness display
Revamped HM system and Shiny Charm support
Cross-gen evolutions up to Gen 9 made accessible
IV/EV viewer added to Pokémon summary screen
Mystery Gift and cheat codes via in-game GameCube
All Gen 1–3 Legendary Pokémon encounterable via quests
New NPCs and quests expanding side content and post-game
Post-Game Content
Expanded post-game includes more rematches, additional routes and events, and secrets for completionists.
Difficulty Settings
Changelog
3.0
Released: 10/12/2024
Highlights in Seaglass 3.0
- Full game rebalance with smarter AI
- Modern battle engine improvements
- Gen 4+ abilities and mechanics
- Reusable TMs and adjusted movesets
- Enhanced post-game content and challenges
- Faster gameplay and QoL features
- Difficulty smoothing and better progression
Thanks to all supporters and testers from the ROM hacking community!
Apply patch to a clean Pokémon Emerald USA ROM. Save files from earlier versions may not be compatible.
Screenshots
No additional screenshots available.
Additional Resources
Explore More
View Cheats for Emerald Seaglass VersionOfficial Sources
https://www.reddit.com/r/PokemonROMhacks/comments/1fm9sbg/pok%C3%A9mon_emerald_seaglass_version_30_is_out_now/https://pokemonemeraldseaglass.com/Official Ko-fi download for Seaglass 3.0All ROM hacks featured here are credited to their original creators. If you are a creator and wish to update, add, or remove your content, please contact us.
Main Developers
Nemo622
Rate this ROM Hack
No ratings yet.