Pokémon FireRed save file is a 128KB digital blueprint that contains every detail of a player's journey, most notably the data for every Pokémon owned. For a file to contain "all Pokémon" (a "living dex"), it typically utilizes a specific data structure where each creature is stored as an 80-byte (or 100-byte in some contexts) block of hexadecimal code. 1. The Save File Architecture
: This is the gold standard for verified files. You can find "legit" complete saves that include rare event Pokémon like Mew, Celebi, and Deoxys obtained through official distribution cartridges. User Contributed Saves pokemon fire red save file all pokemon