here is a guy who did 100% on Lollercaust of thought on guitar hero 3 here is the link: http://www.youtube.com/watch?v=XvR9tgF2B14&feature=related this guy is unholy, i was amazed how he pulled this off, considering fatigue and pain would set in for me. :3 lol
...how about this guy who plays guitar hero in the mirror, with his elbow, while he solves two rubik's cubes? http://www.youtube.com/watch?v=pUdXhhDDnaY