These are the first core series games not to be developed directly by Game Freak. All copies of the game are playable in nine languages: Japanese, English, German, Spanish, French, Italian, Korean, and Simplified and Traditional Chinese. The paired versions were released worldwide for Nintendo Switch on November 19, 2021.
The games were announced worldwide on the 25th Anniversary of the release of Pokémon Red and Green on Februat 12 am JST through Pokémon Presents. Pokémon Brilliant Diamond (Japanese: ポケットモンスター ブリリアントダイヤモンド Pocket Monsters Brilliant Diamond) and Pokémon Shining Pearl (Japanese: ポケットモンスター シャイニングパール Pocket Monsters Shining Pearl) are the second paired Generation VIII games that are enhanced remakes of the fourth-generation titles Pokémon Diamond and Pearl. Pokémon Brilliant Diamond Japanese boxart Pokémon Shining Pearl's boxart, featuring Palkia Pokémon Brilliant Diamond's boxart, featuring Dialga