I'm darn tired of hearing "SMB2 isn't a real Mario game". It's both a real Mario game AND a better game than the Japanese sequel.
Drew MackieNintendo did not choose a "random" game to become the western Mario 2. According to @winwinirwin.bsky.social's great SMB2 book, Doki Doki Panic began as a prototype for a Super Mario Bros. sequel focused on block-stacking and vertical progression. more: thrillingtalesofoldvideogames.com/m4#50