Pokémon Red, Blue, and Yellow

Pokémon Red Version and Pokémon Blue Version are 1996 role-playing video games (RPGs) developed by Game Freak and published by Nintendo for the Game Boy. They are the first installments of the Pokémon video game series and were first released in Japan as Pocket Monsters Red and Pocket Monsters Green, followed by the special edition Pocket Monsters Blue later that year. The games were released internationally in 1998 and 1999 as Pokémon Red and Pokémon Blue, while an enhanced version, Pokémon Yellow Version: Special Pikachu Edition, was released in Japan in 1998 and in other regions in 1999 and 2000.