Pokémon Diamond and Pearl were the first mainline Pokémon games to feature online play, and that functionality returns once again in the games’ remakes, Brilliant Diamond and Shining Pearl. Online play works largely the same as it did over a decade ago; you have to visit the Union Room, where you’ll be able to battle and trade with other players. Here’s how to enter the Union Room in Pokémon Brilliant Diamond and Shining Pearl.
To enter the Union Room, first head to any Pokémon Center, and you
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