The Pokémon Company officially announced the development of Pokémon X and Y, the sixth generation main series games.
Pokémon X and Y were released worldwide for the Nintendo 3DS, introducing new features and the Kalos region.
Pokémon X and Y introduced the concept of Mega Evolution, allowing certain Pokémon to temporarily evolve during battle.
Pokémon Bank, a cloud-based storage service compatible with Pokémon X and Y, was launched to allow players to store and transfer Pokémon.