** Have its core series games released in every year of the generation in all territories.
** Have aesthetic differences appear on the startup and title screens due to in-game actions, being the chosen gender of the mascot Pokémon and their current outfit.
** Have a core series game does not include every Pokémon introduced in previous generations, as of Let's Go, Pikachu! and Let's Go, Eevee!.
** Have all core series games only feature a regional Pokédex since [[Generation III]]. The [[National Dex]] is instead found on [[Pokémon Bank]].