qwelion, you have to pay a cent via PayPal to verify that you are an adult or your parents approve of you chatting, seeing as you have to be at least 18 to have a credit card, and therefore PayPal. It's actually a simple and effective parental control method.
I have a suggestion for a new title for this game! We could change it to either: "Multiple Online Users Can Change Each Others' Levels In Whatever Way They Please," or to: "Jumpy Smiley Blocky Editory." Both these titles give a very vague yet also intriguing description of this game.