What is an online saver ticket? With online discounts available when booking in advance and alongside other London attractions you could save up to 30%! For more information or to book your online saver ticket click here. Related articles Can I use a 2 for 1 voucher at Shrek's Adventure London? What is my time slot? How do I book a combination ticket? Do you offer a family discount? How can I buy tickets for Shrek's Adventure London?