officially closed on March 27, 2023, it is no longer possible to purchase or download the game for the first time through official channels. Pokemon.com Official Status and Availability Purchased Copies : If you previously purchased the game, you can still redownload it by accessing your purchase history on the Nintendo eShop : Players often use the Cemu emulator
: Avoid sites that require you to download an "installer" or .exe file to get your ROM. A legitimate ROM file should never be an executable. Pokemon Rumble U Rom Download