Welcome To Super Mario Bros game controls space to start Controls Arrow Keys To Move Or WASD X to Run Editor controls 0 to switch between editor and gameplay 1-6 (blocks) 1 ground, lava, castle block variants and background parts 2 hit question mark blocks, brick blocks, hard blocks and their underground variants 3 semi-solids 4 question mark, brick blocks, and overworld background decorations 5 coins, pipes and spawnpoint 6(flag parts) 9 enemies/powerups L (new level) R(reset) B(change background (number)) /explore/projects/all
