Nintendo has revealed that Mario Kart World isn't simply called Mario Kart 9 because the plan was to do more than add a couple of courses into the mix.
Before we knew what the next Mario Kart would be properly called, plenty settled on MK9 for ease more than anything, though it did kick off a debate over whether that's what it should be called – does the existence of Mario Kart Tour mean we should have gone to 10?
