Mario Kart Rush – Booster Course Pass
From Fanon Wiki
The Mario Kart Rush – Booster Course Pass is a DLC expansion pack for Mario Kart Rush. First announced during the Nintendo Direct on July 23rd, 2025, the pack includes twelve additional cups, for a total of 48 additional courses (bringing the total number of courses in the game to 96), most of which are remastered versions of courses from previous Mario Kart games.