Mario Kart X is an arbitrary name I'll give to the next Mario Kart game in the series. This is based on some leaks in early 2022 and also me believing that Nintendo will consider this upcoming game the tenth installment to the series. X in roman numerals is 10. That being said, it could also be the ninth. I've made a list of 48 tracks I think will be viable to come back as retro tracks in the next installment of Mario Kart. This list includes 24 base game retro tracks and 24 DLC retro tracks.
The parameters for base game retro tracks are as follows:
1. Cannot have been a retro track in Mario Kart 8 Deluxe (including BCP)
2. Cannot have been brought back as a retro course at all excluding Tou...