Luigi went missing after going to the store! Help Mario find his beloved brother in this fun SNES hack of the popular Super Mario World game - New SMB! Will you be able to finish the game and find Luigi? Good luck! New SMB, also known as New Super Mario SNES (New SMB snes), is a popular 2017 ROM hack of the sensational game Super Mario World. In this game, Luigi went missing after having left for the store, and Mario sets out on a great adventure to find his brother. This version of the ROM hack is still incomplete and features only two worlds and 16 levels to play.