While the main series consists of RPGs developed by Game Freak, many spin-off games based on the series have been developed by various companies, encompassing other genres such as action role-playing, puzzle, fighting, and digital pet games. Remakes of the games are usually released around a decade after the original versions for the latest console at the time. The core games are released in generations, each with different Pokémon, storylines, and characters. In terms of what each main companies does in games, Game Freak develop the main games Creatures provides support through their Pokémon CG Studio which does 3D models for the pokémon in the games, as well as developing some spin-off titles Nintendo was the original publisher of the series and since the 2000s, helps The Pokémon Company publishing the games in their consoles for overseas markets outside of Japan and The Pokémon Company is then jointly owned by the 3 previously mentioned companies and is set up to deal with the licensing, production, publishing, marketing and deals across the world featuring Pokémon as a media franchise.

The most recently released core series game, Pokémon Scarlet and Violet, was released on November 18, 2022, for the Nintendo Switch. The main series of role-playing video games (RPGs), referred as the 'core series' by their developers, have continued on each generation of Nintendo's handhelds. It was created by Satoshi Tajiri with assistance from Ken Sugimori, the first games, Pocket Monsters Red and Green, were released in 1996 in Japan for the Game Boy, later released outside of Japan as Pokémon Red and Blue. Pokémon is a series of video games developed by Game Freak and published by Nintendo and The Pokémon Company under the Pokémon media franchise.

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