The first Mario Kart game to be released on a mobile device.
The line ''Suit Power'' from Mario (Black Suit) was Charles Martinet's last voice line recorded for Mario, which was released on 23rd August 2023, whilst the line "Knight Time" from Luigi (Gold Knight) was his last voice line recorded for Luigi, which was released on 14th June 2023.
Charles Martinet's final performance as Baby Mario and Baby Luigi before retiring from the franchise to become Mario Ambassador in 2023, the same year Mario Kart Tour (2019) offered it's last batch of new content.
In 2021, Kamek, also known as Magikoopa, was finally added into a Mario Kart game, 25 years after being in the beta of Mario Kart 64.
Natsuko Yokoyama's final performance as Nabbit before being replaced by English speaking voice actress Dawn M. Bennett.