Visitors to Alton Towers can receive 2-for-1 entry using a printable voucher from comparison site moneysupermarket.com. The voucher is valid until July 31, 2010.

To take advantage of the offer, guests must purchase a full-price adult ticket on the gate. They can then receive a free entry for one other person (child or adult).

There are a number of alternative ways to get a similar discount at Merlin's UK theme parks during the 2010 season. These include 2-for-1 vouchers from WHSmith stores (which are available until April 11), and 50% off vouchers from Burger King (which are available until October 31).