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 much are tickets to Shrek's Adventure London? What is included in my ticket? How do I book a combination ticket?