Super Mario Bros.: The Lost Levels (SNES) - Glitch level 9B-3A

In Super Mario Bros. 1 and The Lost Levels on Super Mario All-Stars, it's possible to "modify" levels to create more glitch levels. Here is glitch level 9B-3A. Subscribe to my channel for more!:    / @dekkiedot   Codes used: 70000701: Global debug code. 7E072D** (9B used in this video): Messes with the way the level looks. 7E0750** (3A used in this video): Level modifier. MY TWITTER:   / dekkiedot   Thanks for watching!