Post-ID: thread-20111215050207-qdb-307492 Created-At: 2011-12-15T05:02:07Z Board-Tags: general Imported-Score-Seed: 141 Imported-Vote-Count-Seed: 237 How do I make my own Super Mario bros. 3 levels and mapps 1) Get the right ROM 2) Get a copy of a good SMB3 level editor. Take your pick. 3) Use it What is a SMB3