One guy, both hands and IKARUGA chapter 3:
http://www.youtube.com/watch?v=AEkS1...layer_embedded
Insane Super Meatboy:
http://www.youtube.com/watch?v=5McCw...embedded#at=94
Beating Tertris!!:
http://www.youtube.com/watch?v=8kqKO...mbedded#at=371