* The ability to access Kanto. After defeating Red, you will be able to travel to Kanto, the region from the original Pokémon games. Kanto is home to many new Pokémon, as well as familiar faces like Brock, Misty, and Sabrina.
* The ability to challenge the Johto League Champion again. After defeating Red, you will be able to challenge the Johto League Champion again. If you defeat the Champion, you will become the new Champion and earn the title of "Pokémon Master."
* The ability to catch Celebi. Celebi is a Mythical Pokémon that can be found in Ilex Forest after defeating Red. Celebi is a powerful Grass/Psychic-type Pokémon that can be used to travel through time.
* The ability to unlock the Battle Frontier. The Battle Frontier is a series of challenging battle facilities that can be found in Kanto. The Battle Frontier is a great way to test your Pokémon's skills and earn rewards.