Prepare for joyful levels full of farts, curse words and all manner of silly sounds. When it launches for the Wii U on September 11th, Super Mario Maker will feature an option to add custom, recorded sounds to your own Mario levels, alongside pre-recorded noises and musical notes. That's just one feature shown off in a seven-minute overview video Nintendo released today. Check out how you'll edit levels, make music, use Amiibo, add perfect long jumps and unlock new elements in a handful of Mario universes. Maybe start perfecting your animal noises now.