Alton Towers is offered discounted tickets on Friday, May 13, 2011, as part of a promotion for its Thirteen rollercoaster. Tickets must be booked online in advance, and can be purchased for £13 each.

The price represents a significant discount on standard entry prices to Alton Towers, even taking into account the availability of 2-for-1 deals. Full details of the offer can be found on the Alton Towers website.