seeing as it's mario and sonic you could do a classic relay of mario 1, 2, 3 and world and sonic 1, 2, 3 and knuckles.
this needs to be expanded

expanding the list

Idgaming

What version of the games were you playing both Physcial or both Digital or one Digital and one Physical

What versions were the WiiU games played as both Physical or both digital or one of each

What versions were the WiiU and Switch games played as Physical, Digital or a mix of the 2