Pokemon Sea Temple GBA ROM – Detailed Hack Overview
Game Information
Table Of Contents
About This ROM Hack
Pokémon Sea Temple is an ambitious story-driven GBA ROM hack that blends large-scale mythology, multiple regions, and modern Pokémon mechanics into a classic FireRed-style experience. Originally planned years ago and later abandoned, the project was revived by developer Lance (LKPST) after renewed inspiration. The hack focuses heavily on lore, legendary conflicts, and experimental systems such as Poké Ride, new Pokémon types, and large regional progression.
Story Overview
Five years ago, an unprecedented battle between legendary Pokémon nearly destroyed the world. In a final act of sacrifice, a mysterious 10-year-old boy sealed himself—along with the Disaster Trio—into an unknown dimension, saving the Pokémon World. His fate remains unknown, but his legend lives on.
The player begins their journey in the quiet town of Criscanto, on the very first day of becoming an official Pokémon Trainer. Under the guidance of the renowned researcher Professor Jimwell Beckett, the player and their childhood friends, Wilhelm and Hazel, receive their first Pokémon from the Kalos region.
Peace is short-lived. A radical organization known as Solar Team emerges, believing Pokémon powers are being abused by trainers. Their goal is to strip Pokémon of their abilities by awakening the Sun God during an upcoming Solar Eclipse.
Meanwhile, an older and more dangerous faction resurfaces—the Lunar Team, led by CLINT, the father of the legendary boy who vanished years ago. Their mission is to gather the Ancient Orbs and awaken Mnemon, the Moon God, triggering a catastrophic Lunar Eclipse.
With both eclipses approaching and rival factions racing toward divine power, the world once again teeters on the edge of destruction. The fate of the regions—and the truth behind the lost legend—rests in your hands.
Key Features
- Multiple Regions System: Explore the vast Ginoa Region, divided into East and West, alongside two additional regions, creating one of the largest playable worlds in a GBA ROM hack.
- Expanded Gym & Kahuna Challenge: Face 16 Gym Leaders and 12 Kahunas across the regions, offering layered progression and significant rewards.
- Poké Ride System: HM moves are removed and replaced with a Poké Ride mechanic, modernizing exploration and reducing team restrictions.
- Generations 1–7 Pokémon: Catch Pokémon from Gen 1 through Gen 7, including original Ginoan Pokémon and regional forms.
- New Pokémon Types: Introduces both the Fairy type and a custom Mana type for expanded battle strategies.
- Updated Move Pool: Nearly all modern moves are implemented with updated effects and mechanics.
- Z-Move System: Z-Moves, Z-Crystals, and Z-Rings are included, with a unique implementation inspired by later-generation concepts.
- Mega Evolution: Mega Stones allow certain Pokémon to unleash their full Mega Evolution potential.
- Expanded Ability Roster: Adds many Gen 4–7 abilities, including Pixilate, Protean, Soul-Heart, and a custom ability called Survivor, which restores half HP once upon fainting.
- Modern Items & Mechanics: Features Mega Stones, Z-Crystals, Plates, and numerous new items scattered throughout the regions.
Known Bugs & Issues
- Pokémon above Level 10 may repeatedly attempt to relearn their first move upon leveling up
- Hazel’s overworld sprite may not appear when entering certain Gyms
- Metagross does not properly follow Terrence
- TMs are currently not fully coded
- Certain moves may cause the game to crash
- The starter Pokémon selection event may crash on some versions of VisualBoyAdvance
Screenshots
Download Links
Download: MediafireDeveloper Information
Developer / Team: Lancekoijer
Credits:
- Pokemon Company, Gamefreak and Nintendo of course.
- Touched: Mega Evolution
- Sakib66: Music Teammate/Hacker
- MrDollSteak: Gen IV-VI Sprite Resource, and his MrDS Hack Base
- FBI: His awesome Hacks
- NarenJr: BW Style Selection Screen
- Againsts: BW Style Summary Screen
- theDarkDragon: Gen VII Sprite Resource
- ASM Resorce Thread Community
- Research& Development Community
- Tools, Tutorials and Resource Community
- Pokecommunity
Source & References
Official Thread / Website: https://www.pokecommunity.com/showthread.php?t=409318
Frequently Asked Questions
Q: How many regions are playable in Pokémon Sea Temple?
A: There are four total regions, including East and West Ginoa, plus two additional regions unlocked through progression.
Q: Does the game include Mega Evolution and Z-Moves?
A: Yes, both Mega Evolution and Z-Moves are implemented, though some Z-Move mechanics are still experimental.
Q: Are all Pokémon from Gen 1 to Gen 7 available?
A: The hack includes Pokémon from Generations 1 through 7, along with original Ginoan Pokémon and regional forms.
Q: Are HMs required to progress?
A: No. HM moves have been replaced with a Poké Ride system, removing traditional HM barriers.
Q: Is the Mana type fully functional?
A: The Mana type is implemented and used by select Pokémon, though balancing may change in future versions.
Q: How stable is the current beta version?
A: The game is playable but contains known bugs and occasional crashes, especially related to moves and events.
Q: Does the game include post-game content?
A: The current beta focuses on early-to-mid game content, with more gyms, Kahunas, and story planned for future releases.
How to Play
- Obtain a clean Pokémon FireRed (U.S.) ROM
- Patch the ROM using the provided IPS/UPS patch file
- Play using a GBA emulator such as mGBA or real hardware via flashcart
- Save frequently due to beta stability
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