The Mario sprite is custom-made by me. Arrows 2 Move Z to run/throw fireballs X to jump Down 2 Crouch Down(hold) To Super Jump X+Up to Spinjump S to Spawn Stars There are 2 hidden tecniques, can you find them? One is in SMBX, it has things to do with fireballs.
@griffpatch_tutor for platformer tutorial Nintendo for Mario SMBX for bridge sprites 1.0:Released 1.1: Ice Flower, Warps, Star Bug Fixed 1.2: Reserve items, Superballs