I made this spreadsheet a while back for easy sharing. Some have been mentioned like F.D Signifier and HBomberGuy. Also like Mr. Beat for history, Nth Review for games, Astrum for space, and Maritime Horrors for… maritime horrors.

Actually making it to level -1 in SMB after finding out how to do it from the TV show Video Game Power. I needed my NES Advantage to do it reliably, but it blew my mind to learn it was legit.