25 years on from Super Mario Kart's 1992 release, we take a look at Nintendo's series through the generations. From its humble mode 7 beginnings on Super Nintendo, to its first forays in polygonal 3D on N64, right up to a native 1920x1080 push in Mario Kart 8 Deluxe on Switch - the series has always challenged the hardware at hand. Subscribe for more Digital Foundry: http://bit.ly/DFSubscribe