If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Emulated full version of Super Mario World for SNES console (Super Nintendo). CLICK START A NEW GAME if it is your first time playing (you don't have a save code yet).
You can save your progress. First save your game normally through the game, then hit ESCAPE, and SAVE GAME. To display your save code choose DISPLAY SRAM.
This game is part of a series: SNES Games