Mega Man 2 is a game that hardly needs any introduction. This movie plays Rockman 2, the Japanese version, which is essentially Mega Man 2 in difficult mode.
Shinryuu improves the previous TAS by 5.52 seconds, thanks to better optimisation. Please read the author's comments for more details.
See Rockman Tricks and the submission message for in-depth explanation and answers to various questions regarding this movie.