The World's Most Difficult Puzzle is double sided with the same artwork on both sides.  It is also cut once from each side. Introduced in 1986, this jigsaw has sold more than 6 million copies worldwide.

It is produced under license by:

Buffalo Games in the US
www.buffalogames.com

Paul Lamond Games in the UK
www.paul-lamond.com

Blue Opal in Australia
www.blueopal.com.au
Precinct 13 Development PO Box 133, Boston, NY 14025 phone: 716.510.9406 fax: 208.694.9586 info@precinct13.com