Jason Ward is an entertainment writer and puzzle creator who recently worked with Asmodee on the Unlock! Puzzle Book. His work has appeared in the Guardian, Little White Lies and Dazed, and he is also the author of books including Should You Buy This Book? and Edgar Allan Poe's Puzzles From Beyond the Grave.

Asmodee Group is a leading international company dedicated to bringing great games and amazing stories to all corners of the world. Featuring board games such as Catan, Pandemic, Ticket to Ride and Dobble, Asmodee sells millions of units of board, card, miniature and role-playing games every year.

Z-Man Games is a North American board game studio who have been creating innovative games since 1999. They combine their keen eye for design, attention to aesthetics and top-notch components to create some of the best games in the industry, including Pandemic, Carcassonne, Love Letter and Citadels.