Pokémon Gold is an RPG developed by Game Freak for the Nintendo Game Boy Color. Released in 1999 in Japan and 2000 internationally, it's part of the second generation of Pokémon games. Players assume the role of a Pokémon Trainer, exploring the Johto region, battling other trainers, capturing various Pokémon species, and defeating the Elite Four to become the Pokémon Champion. The game introduced new features like breeding, Pokémon genders, a day-night cycle, and 100 additional Pokémon to the original 151 species, expanding the world and gameplay of the beloved franchise.