
The main games and their spin-offs, the anime, manga, and trading card game are all updated with the new Pokémon properties each time a new generation begins. These generations are roughly chronological divisions by release when an official sequel in the main role-playing game series is released that features new Pokémon, characters, and possibly new gameplay concepts, that sequel is considered the start of a new generation of the franchise.

As of March 2021, the series has sold over 380 million units worldwide. By November 24, 2017, more than 300 million Pokémon games had been sold worldwide on handheld and home consoles, across 76 titles, including spin-offs. Pokémon is estimated to be the largest media franchise, with successful anime series, movies, and merchandise, with spin-off game Pokémon Go having crossed 1 billion mobile game downloads worldwide. 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. A paid Downloadable Content pack was released in 2020 for Pokémon Sword and Shield. It is a prequel to the 2006 Nintendo DS games Pokémon Diamond and Pearl. The most recently released core series game, Pokémon Legends: Arceus, was released on January 28, 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. Created by Satoshi Tajiri with assistance from Ken Sugimori, the first games, Pocket Monsters Red and Green, 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.
