Pokémon HeartGold Version and Pokémon SoulSilver Version are remakes of the 1999 Game Boy Color role-playing video games Pokémon Gold and Silver, also including features from Pokémon Crystal. The games are part of the fourth generation of the Pokémon video game series. The game takes place in the Johto and Kanto region of the franchise's fictional universe. The basic goal of the game is to become the best Pokémon Trainer in both the Johto and Kanto regions, which is done by raising and cataloging Pokémon and defeating other trainers.