Here is a level from Super Mario World that you can finish by simply not touching the controller. Setting this up must have been an immense effort – it’s breathtaking.
The Only Mario Level That Plays Itself – Watch more free videos
(Via Boing Boing.)
I’m not sure how it’s official, and there’s definitely a lot more than this one out there. For example.
It was in the description over at break.com – it’s on the internet so it must be true! But thanks for the links :)