• Collect a digital stamp every time you enter.

• With just 10 stamps you get free entry.

• There's definitely free entry on Romeo Day, no matter how many stamps you've already collected.

• Participation is anonymous and leaves no trace on the phone.

• Together with the 6-ticket ticket, entry is only €15.91 in Essen*) and €18.93 in Frankfurt.

• Valid on all days and at all times without restrictions.

*) in Essen not for Bi-Happy and at closed events.