Hello!
I have a problem in the Backwood Forest. I done Spring Thunder but 'im locked, the level Usual Day never appear, and it seems i can’t unlock any other level on the path.
Someone can help me? Thanks!
Reload the page and resubmit Spring Thunder. That usually fixes such problems.
I’ve done it several times, and it doesn’t work 
Just type in codecombat.com/play/level/usual-day
and it should work.