Moemon Star Emerald – A Massive Moemon Overhaul of Pokémon Emerald
Game Information
Table Of Contents
About This ROM Hack
Moémon Star Emerald is a large-scale Moémon-themed ROM hack of Pokémon Emerald that reimagines the Hoenn adventure through a full character-style Pokémon replacement, mechanical upgrades, and difficulty enhancements. Instead of standard Pokémon sprites, nearly the entire Pokédex has been replaced with Moémon counterparts — stylized, character-inspired versions of Pokémon — giving the game a distinct visual identity on top of gameplay changes.
Beyond being a visual overhaul, this hack modernizes Emerald’s core systems. It integrates mechanics from later generations, adds new battle features, and reshapes trainer encounters to provide a tougher and more strategic experience. With over 800 Moémon species, updated movepools, new evolutions, and additional locations, the goal is not just to reskin Hoenn, but to make it feel like a refreshed, challenge-focused version of the region with secrets and new progression layers.
Difficulty options and level caps further push the experience toward players who enjoy planning, team building, and system mastery rather than a casual story-only run.
Story Overview
The base narrative framework follows the original Pokémon Emerald storyline set in the Hoenn region, where the player journeys across cities, routes, oceans, and caves while challenging Gym Leaders and confronting major regional threats. However, while the overarching structure remains familiar, the experience of progressing through it is significantly altered.
Key Features
- Moémon Replacement System: All standard Pokémon are replaced with Moémon counterparts, giving the entire Pokédex a distinct character-style visual redesign.
- Expanded Pokédex: Over 800 Moémon species are available, drawing from multiple generations, including some from Generations 8 and 9.
- Physical/Special Split: Moves follow the modern physical/special classification system instead of the original Gen 3 type-based split.
- Modern Battle Mechanics: Many mechanics up to Generation 7 are implemented, along with select moves from Generations 8 and 9.
- Mega Evolution: Mega Evolution is fully usable in battle via Mega Bracelet and Mega Stones found across Hoenn.
- Trade-Free Evolutions: Evolutions that normally require trading have been modified to work without trading.
- Cross Evolutions: New evolution paths have been introduced for certain species beyond their original lines.
- Trainer Team Overhaul: All trainers use redesigned teams and movesets compared to vanilla Emerald, increasing unpredictability and challenge.
- Increased Difficulty: General game balance leans toward a harder experience, requiring stronger team planning and strategy.
- Optional Level Caps: Level caps can be enabled to limit overleveling and enforce more tactical progression.
- New Rivals: Additional rival encounters are included beyond the base Emerald experience.
- New Locations: Extra areas have been added to the region, expanding exploration.
- Graphical Revamp: New battle backgrounds and updated overworld visuals enhance presentation.
- Reusable TMs: TMs can be used multiple times, removing one-time-use restrictions.
- HM Item System: HMs are handled via items, eliminating the need for dedicated HM “slave” Pokémon.
- Apricorn Crafting: Apricorns can be used to craft Poké Balls.
- New Poké Balls: Additional Poké Ball types are available.
- Hidden Grottos: Secret encounter spots are scattered throughout the region.
- Move Tutors Expansion: Additional tutors are available, including an Egg Moves Tutor in Lilycove City.
- Updated Move Relearner Cost: Move Relearner services cost $1,000.
- EV Training QoL: Systems are in place to make EV training more accessible.
- Ticket Reward System: A new system provides tickets as rewards, tied to progression or events.
- Password Event System: Passwords can unlock events and special gifts.
- Evolution Item Availability: Most evolution items are sold in Lilycove City.
- Uncapped Vitamins: Vitamins can be used beyond traditional limits.
- Modernized Movesets: Movepools are updated, often giving underused Moémon more viable options.
- Typing Changes: Some Moémon have altered typings (e.g., Bayleef and Meganium now Grass/Fairy; Feraligatr Water/Dark; Goodra Dragon/Poison).
- Recharge Move Rework: Moves like Hyper Beam no longer require recharge turns and are set to 100 BP / 100 Accuracy.
Known Bugs & Issues
- Resetting during Battle Tents or the Battle Frontier can cause serious problems.
- Certain Battle Frontier facilities may wipe Pokédex data or corrupt the bag.
- Time-based events use the device clock instead of the in-game room clock.
- Pokémon at Level 100 cannot gain EVs from battle due to Gen 3 mechanics (Vitamins still work).
- Pokédex name search function is broken.
- Pokédex order sorting is incorrect.
- Toxic Spikes are not cleared by Poison or Steel types.
- Black Sludge does not heal Poison types and cannot be obtained.
- Move category display may sometimes be wrong when learning moves.
- Breeding single-stage Moémon with Megas may crash the game.
- Audio can get stuck after wild double battles.
- Item sprite remnants may remain on the map.
- Mega forms can be reverted through certain healing and fainting scenarios.
- Static ability in front while Surfing can cause corrupted encounters.
Screenshots
Download Links
Download: Mediafire
Documentation
How to Mega Evolve:- 1: Have a Mega Bracelet in your inventory.
- 2. Give the Moémon the correct Mega Stone to hold.
- 3. In battle, select Attack, then press Start (Whatever your key is)
- 4. Use a move.
Developer Information
Developer / Team: Axcellerator
Credits: Major contributions come from the wider Moémon Project spriting community, whose sprite work forms the visual foundation of the hack. Community servers and contributors also support development, testing, and asset creation.
1020 Baseroom: Pokefreak890, Pokecommunity.com, MrDollSteak, Azuirle13, FBI, Karatekid552, Gamer2020, TheDarkdragon11, Spherical Ice, M.Hussain, Pandirocks @17, Septentrion, sdw7sm, Maize(dialouge)
Special Thanks: Yatogami
Source & References
Official Thread / Website: https://discord.gg/fHPHSVNaqQ
Support the spriters: https://www.patreon.com/Moemon_Project
Frequently Asked Questions
Q: Who is this hack for?
Players who already know Pokémon Emerald and want a harder, more strategic run with modern mechanics and Moémon visuals will get the most out of this hack.
Q: Is Moémon Star Emerald just a visual reskin?
No. While the Moémon art is a core element, trainer teams, mechanics, difficulty, evolutions, and many systems have been changed.
Q: Does the game include Mega Evolution?
Yes. Mega Evolution is available using a Mega Bracelet and the correct Mega Stone during battle.
Q: How hard is the game compared to Pokémon Emerald?
It is designed to be noticeably harder, with stronger trainer teams, updated movesets, and optional level caps.
Q: Can I catch Pokémon from later generations?
Yes. The game includes Moémon species representing Pokémon from many generations, including some from Gen 8 and 9.
Q: Are there new areas to explore?
Yes. Additional locations and hidden areas, like Hidden Grottos, have been added to the region.
How to Play
Patch the provided .ups patch onto the correct Pokémon Emerald ROM version (1986 – Pokémon Emerald (U)(TrashMan)). Use a compatible emulator and ensure save settings support Flash 128k. After starting, progress through Hoenn as usual, but expect redesigned trainer battles, modern mechanics, Moémon encounters, and a higher difficulty curve. Mega Evolution, new tutors, crafting systems, and hidden content become available as you explore and advance.Legal Disclaimer
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