Super Mario Bros.: Wart’s Wonderland is a romhack of Super Mario Bros. 2 USA for NES. Created by Rohbert, it is meant to be a Holiday Season themed hack for experienced SMB2 players. It is more difficult than vanilla SMB2 but not as hard as other SMB2 hacks. Princess and Luigi will have an easier time completing the levels, where as Toad and Mario will struggle a bit more