Pokemon Aquamarine (GBA) – A Story-Driven Mew Transformation Adventure with New Region & Multiple Versions
Game Information
Original Game (ROM Base): Pokémon FireRed
Hack Status: v3.0.0, November 21, 2023
Language: English
Content: Story, Fakemon, Enhancement Hack
Table Of Contents
About This ROM Hack
Pokémon Aquamarine is a large-scale, story-driven ROM hack with a strong identity. It introduces a completely new region, unique narrative mechanics, and multiple versions tied to Eeveelutions. Unlike standard enhancement hacks, this one leans heavily into storytelling, custom content, and experimental mechanics. Information is detailed and well-documented thanks to the developer’s extensive notes.
Pokémon Aquamarine stands out as a narrative-focused ROM hack where you don’t just play as a trainer—you become a Pokémon. The game revolves around the player transforming into Mew and exploring a brand-new region while uncovering the mystery behind this transformation.
It blends traditional Pokémon gameplay with modern mechanics, custom features, and a strong emphasis on exploration and world-building. The inclusion of Fakemon, multiple regions, and branching story elements gives it a more “fan-game-like” feel despite being a ROM hack.
The existence of multiple versions (based on Eeveelutions) adds replay value, though differences are mostly aesthetic rather than gameplay-changing.
Story Overview
Pokémon Aquamarine begins with the player experiencing a strange dream, where a mysterious figure named Ilex reveals that they have been transformed into a Mew. With no clear explanation and no immediate way to reverse it, the player sets out on a journey across the Manta region to uncover the truth and regain their human form.
Manta is not an ordinary region. It is home to Team Tactix, a group of scientists deeply involved in Pokémon genetic research. Their experiments are rumored to be linked to an unusual rise in Shiny Pokémon across the region. As the story unfolds, it becomes increasingly likely that they may also be responsible for the player’s transformation.
The narrative diverges depending on the player’s gender choice. Male players become a standard Mew, while female players become a Shiny Mew, with certain story elements and encounters changing accordingly. This adds a layer of replayability and variation similar to version-exclusive differences in official games.
As the journey continues, players will encounter strange phenomena, alternate versions of locations, and unique legendary events. The story builds toward multiple possible endings, influenced by decisions made near the Elite Four, allowing players to experience different outcomes without being locked into a single path.
Key Features
- New Region (Manta): A fully original region inspired by South America, offering fresh locations and world design.
- Additional Subregions: Includes areas inspired by Hawaii, the Galápagos Islands, and Antarctica, expanding exploration.
- Unique Player Concept: You play as a transformed Mew, with special field interactions tied to your character.
- Branching Story Paths: Story changes depending on gender choice and late-game decisions, leading to multiple endings.
- Expanded Pokédex: Over 400 Pokémon available, including species from newer generations up to Paldea.
- Custom Fakemon: Includes original Pokémon like a hummingbird line, dolphin line, and tortoise line.
- Modern Mechanics Integration: Features Fairy type and the Physical/Special split for updated battle systems.
- New Moves & Animations: Includes newer generation moves with custom animations.
- Dynamic Pokémarts: Shop inventories change based on badge progression.
- Advanced QoL Systems: Includes EV/IV checkers, move tutors, and nature indicators built into key items.
- Infinite TM Usage: TMs can be reused without restriction.
- HM System Improvements: HMs can be forgotten and used via Mew’s special abilities instead of traditional usage.
- Hint & Progression System: A key item provides guidance, level cap suggestions, and unlimited Rare Candies.
- Legendary & Special Events: Includes unique legendary encounters and guaranteed shiny events.
- Alternate Map Versions: Some areas have past/future variations, adding depth to exploration.
Known Bugs & Issues
- Starting a double battle with only one Pokémon may force unintended behavior (e.g., Ditto appearing)
- Using Flash near portals can cause visual glitches
- Town Map cursor may appear in incorrect locations in certain areas
- Specific boss battle (Machu Picchu) may end prematurely if one Pokémon faints
Screenshots
Download Links
Documentation
v3.0.0: Pokedex and ReadMeLegendary + Special Pokémon Locations
- Articuno - Static encounter inside Icicle Islands
- Zapdos - Static encounter inside Power Plant
- Moltres - Static encounter at Mt. Helios
- Mewtwo - Static encounter inside Solstice Cave after clearing postgame
- Mew - Static encounter at Genesis Island, requires defeating elite four twice + "good ending"
- Raikou - Random encounter inside Power Plant *, Roaming depending on starter
- Entei - Random encounter at Mt. Helios *, Roaming depending on starter
- Suicune - Random encounter inside Icicle Islands *, Roaming depending on starter
- Ho-Oh - Static encounter inside Mt. Mythos after clearing postgame
- Lugia - Static encounter inside Mt. Mythos after clearing postgame
- Celebi - Static encounter at Kronos Island, requires defeating elite four twice + "good ending"
- Regirock - Random encounter at Mt. Helios
- Regice - Random encounter inside Icicle Islands
- Registeel - Random encounter inside Power Plant
- Latias - Random encounter inside Triunfo Road
- Latios - Random encounter inside Triunfo Road
- Kyogre - Random encounter at Alpha Abyss
- Groudon - Random encounter at Delta Desert
- Rayquaza - Random encounter at Quasar Cavern
- Jirachi - Random encounter inside Solstice Cave
- Deoxys - Static encounter inside Mt. Mythos after clearing postgame
- Dialga - Static encounter at Eievui Chambers, requires defeating elite four twice + "good ending"
- Omanyte (OG) - Revived from Helix Fossil obtained at Nova City
- Omastar(OG) - Evolve Omanyte (OG)
- Kabutops (Fossil) - Revived from Dome Fossil obtained at Mt. Ande, Random encounter at Floot Island
- Aerodactyl (Fossil) - Revived from Old Amber obtained at Mt. Ande, Random encounter at Floot Island
- Ghost - Random encounter at bottom floor of Machu Pichu
- Missingno. - Random encounter surfing at Estrella Island
- Trainer Tips: An easy way to find these is by using Repels on lower-leveled Pokémon
Developer Information
Developer / Team: ProfessorAquamarine
Credits:
- Art: Layell (Gen 6/7 Sprites – X/Y & Sun/Moon Projects), Gen 4/5 Sprites (DPPt & BW), AquamarineVaporeon (Hummling/Fairikeet/Peaxie), The_ShinyMew/The_ShinyMew_2015 (Dolphry), SurfingRaichu/SpookyWorld (Narwish), MegaStarizard/Vesper09 (Triphin, Tortide/Tortress/Tortremor/Tortasty), Rybread52 (Tortot/Tortundra), Aka_Kun/Kazeun (Tortalus), QDylm (Iron Bundle/Iron Thorns), KingOfThe-X-Roads (Iron Jugulis, Hisuian Zorua front), OldSoulja (Iron Valiant), Hisuian Zorua (front KingOfThe-X-Roads, resize/QC back leParagon, QC front G.E.Z., back Vent), PorousMist326 (Hisuian Zoroark), Annihilape (front Alxndre~◇, back/QC leParagon), KinectedWires (Hex Maniac), UmbreonGurl (music help)
- Tools Used: AdvanceMap (Map), Advance-Text/XSE (Text/Script), A-Trainer (Trainer), HxD (Hex), Gen III Suite/Pokédex Order Editor/Gen3Tools (Pokémon), A-Cry (Cries), unLZ.GBA/Nameless Sprite Editor/OverworldEditorRE (Sprites), Shinyzer (Shiny Script), sappy/Mid2Agb (Music), Microsoft Paint/GameMaker Studio 2/IrfanView (Pixel Art), Advance Palette Editor/IconEd/NTME/NSE (Images), Lunar IPS (Patching), VisualBoy Advance (Emulator), PokemonGameEditor/ModExe/JPAN's hacked engine/TL's Quick Enhancer (Misc)
- Move Animations: dreamengine (Ominous Wind, Aura Sphere, Focus Blast, Giga Impact, Iron Head, Poison Jab, Power Gem, Roost, X-Scissor, Wild Charge, Air Slash, Aqua Jet, Bullet Punch, Power Whip), MrDollSteak (Scald, Drain Punch, Dark Pulse, Energy Ball, Dragon Pulse, Brave Bird, Ice Shard, Stone Edge, Shadow Claw, Shadow Sneak, Aqua Tail, Nasty Plot, Avalanche), DoesntKnowHowToPlay (Roar of Time, Earth Power, Bug Buzz, Discharge), Shadowraze (Zen Headbutt), Spherical Ice (Moonblast), Chaos Rush (Night Slash), Garuga17 (Flash Cannon), pawell6 (Stone Edge alt), BadgerLordZeus (Power-Up Punch), AquamarineVaporeon (Draining Kiss, Play Rough, Dazzling Gleam, Boomburst, Flare Blitz, Razor Shell, Inferno, Horn Leech)
- Battle Mechanics: Manekimoney/DarkCyborg (EV vitamins to 252), Touched (EV cap 252), Delta231 (Gen VII burn/paralysis), blackuser (Volt Absorb update), HidoranBlaze (Rough Skin Gen IV), MrDollSteak/Umbrelava (Sturdy Gen V), Chacha Dinosaur (Spite/Protect/Blizzard updates), kleenexfeu/MrDollSteak (binding moves), DoesntKnowHowToPlay (Disable/Encore/Taunt), Zeturic (Hidden Power changes), chainfire57 (Snow Warning ability), Amelia (Gen 8 Teleport)
- Miscellaneous: HackMew (tools, Magma Armor ASM, roaming fix), DoesntKnowHowToPlay (patches, phys/spec split, dex stats, Pickup changes), JPAN (hacked engine routines), jiangzhengwenjz/Li Yun/Dreamaker (EV/IV screen), The_Learner (Quick Enhancer), FBI (infinite TMs, Waterfall command), Darthatron (B2/W2 Repel), Skeli/MWisBest (egg hatching), Skeli (shop TM system, X-Items), Super Versekr Dark (Choice items), Spherical Ice (stairs, berries, Ability Capsules, scripts, PC wallpapers), Dreamaker (Selphy Rare Candies), Jambo51 (level 1 eggs), Zeturic (summary wraparound), AGSMGMaster64/Vent (repeat item usage), Javi4315 (stat recalculation), kikiyama (Yume Nikki developer)
Source & References
Official Thread / Website: Pokecommunity
Frequently Asked Questions
Q: What makes Pokémon Aquamarine different from other ROM hacks?
A: Its biggest difference is the story—you play as a Mew, and the game focuses heavily on narrative, exploration, and unique mechanics.
Q: Who is this hack for?
A: This hack is ideal for players who enjoy story-driven Pokémon games with custom regions, unique mechanics, and creative concepts.
Q: Does the game include Fakemon?
A: Yes, several original Pokémon lines are included alongside official Pokémon.
Q: How many Pokémon are available?
A: Over 400 Pokémon can be obtained, including newer generation species.
Q: Are modern mechanics included?
A: Yes, including Fairy type, updated moves, abilities, and quality-of-life systems.
Q: Is the game difficult?
A: It has a moderate difficulty level, with some challenge but a stronger focus on story and exploration.








