The definitive GBA fusion ROM hack. Every single Pokémon in the Kanto Pokédex has been replaced with a hand-crafted fusion — 376 unique creatures with custom sprites, typings, stats, and movesets. Catch them all in one run, unlock Mega Evolutions, and discover the wildest roster ever put into a GBA game.
Not a remix, not a rebalance — a completely new Pokédex built from the ground up using fusions as the building blocks.
Pokémon Fused Dimensions is a completed FireRed GBA ROM hack by DanteZ.35, built around a single creative concept executed to an extreme degree: take the entire Kanto Pokédex and replace every single entry with a hand-crafted fusion of two existing Pokémon.
The result is a game that looks familiar — you are still in Kanto, still collecting badges, still taking on Team Rocket — but every encounter, every trainer battle, every route is populated with creatures you have never seen before. Each fusion has its own custom sprite, its own type combination derived from its parent species, its own base stats, and its own moveset. Nothing is copy-pasted.
Every single route feels new. You never know what you are going to encounter. Building a team means discovering type combinations that have never existed in any official game.
The story follows FireRed closely. The magic is entirely in the Pokémon — the fusions, their designs, and figuring out which combinations work for your team.
Every Pokémon in the game is a fusion. Here's what that actually means in practice.
DanteZ.35 created each fusion by combining two existing Pokémon species into a single new creature. The process is not random — each fusion was designed to make sense visually and mechanically. The resulting Pokémon inherit type traits, stat distributions, and movepools from both parents, creating genuinely new strategic possibilities that never existed in official games.
Early fusions in the series include crowd favourites like Abdrio (Absol + Dodrio), but the full roster spans 376 entries covering combinations from across multiple Pokémon generations. The Gym Leaders, Elite Four, and Champion also have their teams reworked to use fusion Pokémon — including Mega Evolutions for the toughest fights.
Everything DanteZ.35 packed into v2.3 — far more than just a sprite swap.
FireRed's bones, an entirely new Pokémon world on top.
The story and world structure follow FireRed closely — you start in Pallet Town, collect eight Kanto badges, challenge the Elite Four, and work through Team Rocket's storyline. If you have played FireRed, the map is familiar. Everything else is new.
The real gameplay loop is about discovery. Because every wild Pokémon, every trainer team, and every boss encounter uses fusions you have never seen, the game creates a constant sense of "what is that?" that FireRed itself stopped providing after the first playthrough. Building your team becomes a genuinely creative exercise because the type combinations available to you are unlike anything in official Pokémon.
A handful of notable fusions from the roster to give you an idea of what to expect.
These are just six of 376. Every route in the game contains at least one fusion you won't have seen before.
Set yourself up for the best possible run.
Everything you need to know before jumping in.
Pokémon Fused Dimensions is a completed GBA ROM hack of Pokémon FireRed by DanteZ.35. The entire Pokédex has been replaced with 376 hand-crafted fusion Pokémon — combinations of two existing Pokémon species, each with custom sprites, unique type combinations, individual stats, and custom Pokédex entries.
Version 2.3 contains 376 unique fusion Pokémon including forms. All of them are obtainable in a single playthrough without trading or special events.
No. Pokémon Infinite Fusion is a separate fan game with a different engine and a dynamically generated fusion system. Pokémon Fused Dimensions is a GBA ROM hack with a fixed roster of 376 hand-crafted fusions created individually by DanteZ.35. Fused Dimensions is the one you can play in any standard GBA emulator or browser.
Yes. Select fusion Pokémon have Mega Evolutions, including Mega-Gallazard and Mega-Metaslash. The Elite Four, Champion, and later Gym Leaders use Mega-evolved fusions in battle.
The starters are a custom fusion trio created by DanteZ.35, replacing the original Bulbasaur, Charmander, and Squirtle. You will discover which specific fusions they are when you begin — it's one of the first surprises the game delivers.
The difficulty is broadly comparable to FireRed. It does not add artificial difficulty, but the unfamiliar type combinations mean you need to pay closer attention to matchups than you would in a game whose roster you already know. The Elite Four and Champion are more challenging than in base FireRed due to their Mega Evolution usage.
Yes — Fairy type and Fairy type moves are fully implemented in Pokémon Fused Dimensions, which is one of its significant quality-of-life improvements over the original FireRed engine.
Yes. All 376 fusions are obtainable in a single playthrough. Pokémon that normally require trading to evolve instead use the Link Cable item, which is available in the game without needing another player.
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