It is Shinryuu’s (& co.’s) brand new Mega Man 2 TAS. Absolute care for detail, some very artistic/scientific glitch trickery. A roller coaster of unexpected twists and turns!

http://tasvideos.org/1242M.html

A close contender for the best is Deign’s Mega Man 1 TAS, because it’s even more glitched. So gracefully mind bending…