Possibly the World's Best Super Mario Bros Video Evar.

Nerd makes world's hardest Super Mario world.

Chinese gamer plays world's hardest Super Mario world.

Asshat finds video on the Internet and adds frustrating, yet amusing, commentary.

Hilarity ensues.

.: QED

If you have 24 minutes of your life that you would not like back, enjoy this video courtesy of our boingboing friends.  I got a good chuckle out of it.