There are also glitch levels in the NES version of Super Mario Bros. This is glitch level 00-00. Subscribe to my channel for more!: / subscription_c. . Codes used: Modify address 0756's value to ** (02 used in this video): Powerup modifier. (00 = Small, 01 = Big, 02 = Fire power) AAUPKSVA + AASPVIVZ: Codes used to play this glitch level. AEPLLG: Mario can jump multiple times while in the air. GIIIVY: Walk through walls code. VZTLTN: Infinite time code. MY TWITTER: / dekkiedot Thanks for watching!