While often discussed in forums alongside Pokémon ROM hacks, Infinite Fusion is a standalone fan game, offering a unique, sprawling experience that goes far beyond traditional hacks. What is Pokémon Infinite Fusion?
In certain Pokémon Centers, there is an NPC that allows you to unfuse Pokémon or swap their head/body parts without losing them. Pokemon Infinite Fusion ROM
It is important to note that is not a .gba or .nds ROM file. It is a standalone .exe game that runs on Windows PC. While often discussed in forums alongside Pokémon ROM