Pokémon Diamond

Pokémon Diamond is an unauthorized game based on the mechanics of Keitai Denjuu Telefang Power Version. Released for the Game Boy Color, it features gameplay similar to traditional Pokémon titles but is not an official part of the franchise. The game is often referred to alongside its counterpart, Pokémon Jade, distinguishing itself as a notable example of bootleg gaming within the Pokémon series.