Pokémon GS Chronicles (GBA) – A Complete Johto Reboot with Modern Mechanics
Game Information
Original Game (ROM Base): Pokémon FireRed
Hack Status: Beta 2.7.6 (as of June 19, 2024)
Language: English
Content: Reboot of the Johto story with HGSS-inspired events, new mechanics, updated graphics, and modern Pokémon features
Table Of Contents
About This ROM Hack
Pokémon GS Chronicles is a reboot of Pokémon Gold, Silver, and Crystal, rebuilt from scratch with a focus on delivering a fresh and unseen Johto experience while keeping the spirit of the original games.
This project began in late 2010 as an idea, paused in 2015, and was fully restarted with modern tools and quality-of-life improvements. The hack is inspired by HGSS, Polished Crystal, and Chaos Rush’s Pokémon Dark Violet, aiming to mix classic nostalgia with new mechanics like Mega Evolutions, Z-Moves, and updated battle systems.
Unlike other GSC remakes (e.g., Liquid Crystal or ShinyGold), this hack is not a direct remake; it features new maps, events, characters, and a rewritten storyline.
Story Overview
Key Features
Gameplay & Mechanics
- Mega Evolutions in the main storyline, Z-Moves in Kanto post-game (possible Dynamax/Gigamax)
- Day/Night Cycle with time-based events and wild Pokémon variations
- Double Battles and updated battle mechanics
- Physical/Special Split, updated type chart including Fairy type, and clarified natures
- Vanilla+ Difficulty and easy EXP toggle options
- Post-Game Content with Kanto exploration
- PokéRides replace HMs by summoning temporary wild Pokémon
- Reusable TMs, revised trade evolutions, and Running Shoes improvements
- Option to relearn moves and nickname Pokémon directly from party menu
Pokémon Updates
- New Regional Dex (700+ Pokémon from Gens 1–8)
- Exclusive GS Chronicles Mega Evolutions (no fakemon)
- Altered BST and movesets for better casual balance (e.g., buffed Ledyba)
- New forms and custom moves
- Wild Pokémon encounter updates based on time
Visual & Audio Enhancements
- HGSS-inspired maps, updated graphics, menus, battle backgrounds, and trainer cards
- Original soundtrack ripped from HGSS
- In-battle trainer messages
- Almost fully functional PokéGear (pending Phone/Radio card updates)
QoL & Miscellaneous
- Multiplayer compatibility
- DexNav, visible IVs/EVs/DVs, easy EXP, decapitalization fixes
- Vanilla and demake aesthetics combined with modern QoL improvements
Known Bugs & Issues
- PokéRide pictures and cries currently show as empty/question marks; visual-only bug, does not affect gameplay.
- Some overworld tiles may appear incorrectly; minor visual issues are pending fixes.
Screenshots
Download Links
Documentation
Official Documentation: Google Docs
Wild Encounters
Developer Information
Developer / Team: Ruki Studios
Tile Contributors: Redzb1, Dsaster, 874521, CnickC, Newtiteuf, Alucus, Dewitty, epicday, WesleyFG, 1158, Kyledove, Anonyboy, Scarex, Chaos Rush, Pokemon-Diamond, BoomxBig, Warpras, Lost Three, Zaux
Sprite Contributors: Tsuka, Hollowroxas, 874521, SirPeaches, flamejow, skarow, Tomycase, The 64x64 DS sprite resource, Luna, PK Rockin'!, Jo7a, robeyi, FYTYno1
Engine & Tools: Skeli, Ghoulslash, Soupercell, GoGoJJtech, Shiny Quagsire, Jambo51, JPAN, FBI, Knizz, Jiangzhengwenjz, Againsts, Andrea, Compumax, Kimonas, Zeturic, ipatix, Uncommon, Samu, Turambar, Spherical Ice, eMMe97, ansh180, Shiny Miner, PC community romhack contributors
Other Resources & Support: jNathan, Professor Village, Sierraffinity, Zaux, Karatekid552, Chaos Rush, Nisarg, Luna, Delta231, AO Project, Robeyi, Kamina, VentZX, Foxz, LukeeGD, El DIabetuus
Special Thanks: Skeli, BarleyOats, Anonyboy, Compumax, ThamTvMaster, James MC, Xan, Stonyterrace, BlackStarRegime, Soupercell, Lomeo, TheDooWaddle, Jubz, antPL, Discord server testers
Source & References
Official Thread / Website: https://rukistudios.wixsite.com/gschronicles
Community Site: Pokecommunity
Other Links: https://www.hackdex.app/hack/pokemon-gs-chronicles
Frequently Asked Questions
Q: Is this hack a remake of GSC like ShinyGold, Liquid Crystal, or GoldenSun?
A: No, this is a reboot, not a remake. It mixes elements from Gold, Crystal, HeartGold, and HGSS while introducing an original storyline.
Q: Will Kanto be featured?
A: Yes, Johto without Kanto is incomplete. Only Johto and Kanto are planned.
Q: What about the female player sprite style?
A: It’s based on an old HGSS artwork leak from 2009.
Q: How far along is development?
A: As of 04/24/2025:
- Maps: 55% complete
- Tiles: 80% ready
- Events: 15% scripted
- Sprites/Overworlds: 90% complete
- Other graphics: 100% complete
Q: Can I trade with other hacks?
A: Yes, trades are supported with Pokémon Unbound and other CFRU-based ROM hacks via the Unbound Cloud.
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