According to a recent investigation by Pokémon fans, the original Pokémon Red and Blue would have had different worlds and available Pokémon for each player based on an ID number — with nearly 65 thousand different versions planned. The first two Pokémon games launched on the Nintendo Game Boy in 1996 in Japan, and 1998 for the rest of the world, and instantly became a global sensation thanks to their 150 elementally-empowered creatures that players could collect, train, and trade. The overwhelming success of Pokémon Red and Blue would spawn countless follow-up games, manga, movies, and a long-running anime series that continues to this day.
The original Pokémon Red and Blue took on many different forms and iterations over the years, with Pokémon Blue originally sold as Pocket Monsters: Greenin Japan before being renamed for its overseas release. A few years after the original release, Pokémon Yellow added a Pikachu that followed the player throughout their journey across the Kanto region and made a few other changes to emulate the Pokémon anime series. In 2004, Nintendo and Game Freak re-released Pokémon Red and Blue for the Game Boy Advance as Pokémon FireRed and LeafGreen, which also added a new area for players to explore once they finished the main quest.
Related: Pokémon Red & Blue's Weirdest Pokédex Entries
As it turns out, there were originally going to be 65,535 unique versions of Pokémon Red and Blue when they first launched in the late 90s, as reported by the gaming trivia YouTube channel DidYouKnowGaming?. The channel launched a large investigation into the history of the games, discovering that the plan was for each specific copy of Pokémon Red and Blue to feature a personalized ID number (which actually
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