The most recent software updates for Mario Kart 8 Deluxe as of Version 3.0.5 (Released May 21, 2025)
If you are looking for "NSP" files (Nintendo Submission Package), please be aware: mario kart 8 deluxe switch nsp update dlc
Starting with Wave 4, eight returning fan-favorites were added to the roster: Birdo , Petey Piranha , Wiggler , Kamek , Diddy Kong , Funky Kong , Pauline , and Peachette . The most recent software updates for Mario Kart
, a paid DLC expansion that doubled the game's total track count from 48 to 96 courses across six waves. Expanded Roster: The game tries to read "Sky-High Sundae" from
This is because the Booster Course Pass tracks do not exist in the older code. The game tries to read "Sky-High Sundae" from your save data, but the older executable doesn't know what that is, resulting in corruption or a crash.