Rockman 2 Claw is a ROM hack of Mega Man 2 by Tsukikuro and the sequel to their Rockman Claw ROM hack. As with its predecessor, it includes new enemies, new bosses, and new stages along with returning bosses from existing Mega Man games but with different AI. It also includes lots of music that's borrowed from other games such as Romancing SaGa, SD Gundam G Generation, and even Mega Man 10. You can read this list for the full tracklist (Japanese only).
longbao and CUI improve the previous TAS by 1 minute and 17.28 seconds, thanks to implementing delay scrolls as well as zips in various places.
WARNING: This video includes flashing lights that may cause epileptic seizures to those affected.