To see how we got here, this incredibly in-depth video from Bismuth highlights how the A-button challenge community managed to whittle down the number of A-presses, which players must use to make Mario jump or perform other actions, required to beat Super Mario 64.

And yes, it’s five-and-a-half hours long, but it’s well worth the watch if you’re interested in the game mechanics and intricate techniques that make this feat possible.