Use the arrow keys to move. Press space to attack if you have the hammer power up. You cannot attack enemies except when you have a power up. You must avoid water and lava.
Updates: 17/06/2013: Added more sound effects. Added world wide wins (cloud variable) Made bowser boss easier. 21/06/2013: Fixed glitch 25/07/2014: Reduced lag 06/10/2014: improved scripting to reduce glitches.