Pokémon Quetzal Multiplayer (v8.3) is a groundbreaking Pokémon Emerald GBA ROM hack by TenmaRH that turns classic Hoenn into a real-time 1–4 player co-op world. Play together on the same map like an MMO: explore, battle, trade, rematch trainers, use Megas and Z-Moves, and adventure with fully animated follower Pokémon from Gen 1–9. v8.3 introduces Legends Z-A Mega Evolutions, permanent Megas, modernised Gen 8 mechanics, custom moves, revamped breeding, wild Pokémon overworld encounters, massive PC storage (2,010 slots), difficulty sliders, shiny odds control, and multiple game modes — all inside an expanded Emerald experience that works on PC, Android, and in your browser.
From experimental mod to flagship multiplayer Emerald hack.
Originally titled Pokémon Emerald Multiplayer, Quetzal began as a technical experiment in GBA link functionality and evolved into one of the most ambitious multiplayer Pokémon ROM hacks ever made. Built on Pokémon Emerald, it preserves Hoenn’s core story while radically upgrading how the game is played, shared, and replayed.
Instead of a solo journey, you and up to three friends can roam Hoenn together in real time — seeing each other move, battling side-by-side, trading anywhere on the map, and even taking on Gym Leaders, Team Aqua/Magma, and the Elite Four cooperatively.
Quetzal’s multiplayer is designed to feel like a shared open world rather than traditional turn-based link battles.
Yes. Multiplayer is optional — the full story, Elite Four, postgame, and rematches work in single-player.
Yes — including Alola, Galar, Hisui, and many Paldea forms, plus custom Legends Z-A Megas.
You can choose 0–6 Pokémon to follow you. They appear in multiplayer for all players, and shinies keep their shiny sprites.
Yes — Quetzal supports true co-op Gym battles, doubles, and multi battles.
Massively. You can store 6 Pokémon, see them on the map, and use a dedicated 30-slot egg box.
No — Quetzal removes mandatory HM dependence.
No — they’re designed for single-player and co-op play, not official online formats.