In official Pokémon history, the National Pokédex only recently crossed the 1,000-mark with the release of Pokémon Scarlet and Violet
. However, in the world of fan projects like Pokémon Unbound or heavily modified versions of "Fire Red (U) (Squirrels)," creators utilize expanded engines to fit nearly every creature ever designed—including regional variants and "Fakemon"—into one GBA-style experience. 1636 pokemon