Pokemon GS Chronicles GBA ROM Hack Cartridge (Case & RTC Option)

This is a Pokemon ROM Hack called Pokemon GS Chronicles for the Gameboy advance! The design on the cartridge and case is made by us! Can be played on gba, gba SP, NDSL and GBM!

Pokémon GS Chronicles is a fan-made GBA ROM hack built on FireRed, reimagining Gold/Silver/Crystal with modern features, fresh storylines, and enhanced gameplay . Set in Johto, it starts with Professor Elm’s experiments involving mysterious enhancement stones; you and rival Ethan/Kris receive Pokémon to help—but a red-haired thief steals one, triggering a quest across the region to complete the Pokédex and uncover the culprit .

Expanded Pokédex (494 Pokémon) including Gen 1–4 plus Sylveon and regional variants  

Quality‑of‑life & battle updates: Physical/special split, Fairy‑type, updated type chart, Mega Evolutions, Z‑Moves (post‑game), Dynamax/Gigantamax options  

Modern mechanics: Exp Share from Gen 8 (toggleable), in-battle trainer messages, nature/ability changes, Move Tutors at every PC, DexNav and updated PokéGear  

Exploration enhancements: HGSS-style maps, day/night cycles with time-based events, and PokéRides replacing HMs    

Players laud its modern overhaul and depth, calling it “one of the best hacks ever,” with notably improved difficulty balance, team diversity, and world-building—yet acknowledging occasional bugs and rough script polish .

In summary, GS Chronicles transforms the classic Johto experience into a modern, fully-featured adventure—perfect for fans seeking nostalgia enriched with contemporary Pokémon mechanics.

Feel free to contact us with any questions you might have!

All games are sent in plastic cases!

Customisation possible!