Click the left and right arrows to decipher and cypher (decode and encode). The code works even if you leave the project and return, so you could send an encoded message to your friends!
It took like 30 minutes. Decipher this - <xcxw7[q<<87[9cx7gq$7$;k7<xcxw7[q9<[7>q7}x>7gq$7uql<k7<xcxw7[q9<[7>q7>$w<78wq$<u'20