Nintendo’s Super Mario Maker series of games lets you create your own sidescrolling platformer levels using sprites and 3D objects from several entries in the franchise. It’s created a deeply devoted fan base, but it’s only ever let you make sidescrolling levels. Now, a pair of fans have changed that with Mario Builder 64, a new way to make and play your own Super Mario 64 levels — and do so on Nintendo 64 hardware.
It’s technically a ROM hack...