The Koopa Troopa shell bouncing between the pipes of the Wii Koopa Cape’s starting gate is a reference to a Koopa Troopa’s behavior when Mario/Luigi steps on them a second time.
The appearance of Noshis in the R/T version of the Tokyo Blur course is likely a reference to the Japanese film franchise "Godzilla" and its respective genre Kaiju, which feature giant monsters usually depicted attacking major cities.
Bandai Namco assisted in the development of the game.