Super Mario Bros. 4: The Undiscovered Zones V2 (SMB1 Hack) - Full Walkthrough

Original hack by Szemigi, edited and refurnished by me.
www.romhacking...
The version played in the video is the recently released 3.0 which rebalances a couple of things. Most levels have been slightly edited from the original, othes more, some less, in order to create a more cohesive, less "World 9" esque game.