[An experiment in beating the original Super Mario Bros. for the NES while getting the lowest possible score][link]. This guy managed to do it while only getting 700 points. Just getting one power-up mushroom gives the player 1,000 points, so this is no mean feat.
[link]: http://www.youtube.com/watch?v=_0E2SCGKtLI “YouTube – Worst Super Mario Player Ever”