You can also look up the runs from years past on YouTube; great way to lose a few hours.
Last year's Super Mario World exploit can be found here: https://www.youtube.com/watch?v=ioQmbEoYL0M
Last year's Super Mario World exploit can be found here: https://www.youtube.com/watch?v=ioQmbEoYL0M
But this year they took that to the next level. Instead of programming snake or pong they made a fully functional Super Mario (from NES) run inside Super Mario World.