and are 2006 role-playing video games developed by Game Freak, published by The Pokémon Company and Nintendo for the Nintendo DS. They are the first installments in the fourth generation of the Pokémon video game series. They were first released in Japan on 28 September 2006, and released in North America, Australia, and Europe in 2007. Pokémon Platinum, a third version, was released two years later in each region. Remakes titled Pokémon Brilliant Diamond and Shining Pearl were released for the Nintendo Switch on 19 November 2021. A prequel, Pokémon Legends: Arceus, was released for the Switch on 28 January 2022. Like previous Pokémon games, Diamond and Pearl chronicle the adventures of a young Pokémon trainer as they train and battle Pokémon while also thwarting the schemes of a criminal organization called Team Galactic. The games added many new features, such as Internet play over the Nintendo Wi-Fi Connection, changes to battle mechanics and Pokémon Contests, along with the addition of 107 new Pokémon. The games are independent of each other but feature largely the same plot, and while both can be played separately, it is necessary to trade between them in order to complete the games' Pokédex. Development of Diamond and Pearl was announced at a Nintendo press conference in the fourth calendar quarter of 2004. The games were designed with features of the Nintendo DS in mind. It was forecasted to be released in Japan in 2005, but ultimately shipped in 2006, the 10th anniversary year of the franchise. In promotion of the games, Nintendo sold a limited-edition Nintendo DS Lite in Japan, and held a release party celebrating their North American release. The games received generally favorable reviews. Most critics praised the addition of Wi-Fi features and graphics, and felt that the gameplay, though it had not received much updating from previous games, was still engaging. The games enjoyed more commercial success than their Game Boy Advance predecessors: with around 18 million units sold worldwide, Diamond and Pearl have sold over 2 million more units than their predecessors Pokémon Ruby and Sapphire and almost 6 million more units than Pokémon FireRed and LeafGreen, while also outselling their successors, Pokémon Black and White, by over 2 million copies. The games are among the most successful Pokémon games of all time. Gameplay Pokémon Diamond and Pearl are role-playing video games with adventure elements. The basic mechanics of the games