Today Nintendo confirmed that it will be closing the Mariokart.tv website on April 15th. The website launched alongside Mario Kart 8 as a way to highlight videos that are uploaded to YouTube using the upload feature in the game. That feature won’t cease to function, but the highlight website will.
The Mario Kart TV website, which lets you watch highlight videos posted from Mario Kart 8, will be closing down as of 07:00 (UK time) / 16:00 (AEST) on Tuesday 5th April 2016. We are very thankful to the many people who have used this website since it launched in 2014.
Even after the website shuts down, it will still be possible to watch Mario Kart TV and upload highlights from within Mario Kart 8 itself. Highlight videos uploaded to YouTube from the game will not be deleted after the website shuts down.