Mario Kart 8is eight years old at this point, with the game originally released on the Wii U in 2014 before being ported to the Nintendo Switch asMario Kart 8 Deluxein 2017. The Nintendo Switch port included both DLC add-ons as standard, adding characters such as Link to the roster. Currently,Mario Kart 8 Deluxeis the best-selling Nintendo Switch game, so it is understandable that Nintendo isn’t in a rush to release the next entry in the series.

Nintendo recently announced that it was releasing 48 new courses forMario Kart 8 Deluxebetween now and the end of 2023, with thefirst wave ofBooster Course Packcoursesreleasing on June 27, 2025. The newMario Kart 8 Deluxe Booster Course Packis available to purchase as DLC for the game. Players can also play it as part of the Nintendo Switch Online + Expansion Pack service.

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Data miners have managed to take a look at the files from theMario Kart 8 Deluxe Booster Course Packupdateand figure out some of the courses that will be coming in future waves.

Between the data miners and fans' eager eyes, it appears that the following courses will be added to the game as part of theBooster Course Pack:

One of the most interesting things to note from this list is that alarge amount of the courses are from the mobile gameMario Kart Tour. This could be because many of the courses translate to regularMario Kart 8 Deluxegameplay, or to further promote the game and encourage more players to check it out. These upcoming courses join the eight that were included in the first wave:

The courses included in the first wave are from a large variety of games, with two from handheld games, two from console games includingCoconut Mall fromMario Kart Wii, three fromMario Kart Tour, as well as a brand new original course that has never been seen in a previous game. This could indicate that at least one original course will be included in each of the waves, giving a potential total of six original courses. Adding the recently released and leaked courses together means that 21 of them are currently known which also means that 27 courses have yet to be revealed or leaked.

Mario Kart 8 Deluxeis available now on the Nintendo Switch.

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