Super Mario Bros Cheats Nes Infinite: Lives

: Let the first Koopa pass. Jump on the second Koopa so its shell stops on the edge of a step.

: Jump straight up and land on the shell. If your timing and position are correct, Mario will repeatedly bounce on the shell without touching the ground. Super Mario Bros Cheats Nes Infinite Lives

: At the very end of World 3-1, right before the flagpole, there is a stone staircase with two Koopa Troopas descending. : Let the first Koopa pass

: You can get here quickly by using the Warp Zone at the end of World 1-2. right before the flagpole