Mario Kart World was in development for Switch 1, started in 2017

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Tober said:

Have a feeling DK Bananza followed the same script. Nothing wrong with that.

If Bananza was indeed in development for Switch 1 at some point, that version would probably have been very different from what we're getting in July on Switch 2, cos I can't see that game's extensive environmental destruction working on Switch 1's CPU.