Core series/Connectivity

In addition to the core series games, each of the side series games allow players to transfer their Pokémon to and from the core series:
 * 🏴󠁧󠁢󠁥󠁮󠁧󠁿: Allows players to transfer their Pokémon from the Generation I games to battle in 3D.
 * Pokémon Stadium 2: Allows players to transfer their Pokémon from the Generation I and II games to battle in 3D.
 * Pokémon Box Ruby & Sapphire: Allows players to store their Pokémon from the Generation III games.
 * Pokémon Colosseum and Pokémon XD: Gale of Darkness: Allows players to transfer their Pokémon from the Generation III games to battle in 3D. Players can also transfer Pokémon caught in these games to their main series games.
 * Pokémon Battle Revolution: Allows players to transfer their Pokémon from the Generation IV games to battle in 3D.
 * My Pokémon Ranch: Allows players to store their Pokémon from Pokémon Diamond and Pearl (and from Pokémon Platinum in Japan).
 * Pokémon Dream World: Allows players to store their Pokémon from the Generation V games.
 * Pokémon Dream Radar: Allows players to receive the Forces of Nature in their Therian Formes in Black 2 and White 2.
 * Poké Transporter: Allows players to transfer their Pokémon from the Generation V games, and later the Generation I and II games on the Virtual Console, to Pokémon Bank.
 * Pokémon Bank: Allows players to store their Pokémon from Generation VI and VII games.
 * Pokémon Omega Ruby and Pokémon Alpha Sapphire Special Demo Version: Allows players to receive a and/or a  with their respective Mega Stones in Omega Ruby and Alpha Sapphire.
 * Pokémon GO: Allows connectivity to Pokémon Let's Go, Pikachu! and Let's Go, Eevee!.
 * Pokémon Sun and Pokémon Moon Special Demo Version: Allows players to receive a with the ability  in Sun and Moon.

Additionally, some spin-off games allow players to receive special Pokémon:
 * Pokémon Channel: In the European and Australian versions of the game, it allows players to receive a gift in the Generation III games.
 * Pokémon Ranger series: Allows players to receive a special Egg in the Generation IV games.