This is a remake of Super Mario Bros. 2 present in Super Mario All-Stars. Aside from musical and graphical improvements, it also provides a save feature.
Thanks to a glitch involving Wart and a few other optimizations, author mtvf1 improves his previous effort by 00:03.44 seconds.
Runs of the NES counterpart and GBA version are also available.
Watch a resync of this run being played back on a real console.