For all the Dutch/Belgian people who are interested in the Cards, they are available on bol.com as well!
One Digital set of The Cards of Confound containing all seven Cards and a Users Guide. They will be available for download in high-quality PDF format. To solve them you will have to use all of your puzzle-skills extensively, from out-of-the-box-thinking to deciphering and researching. To help you out during all the puzzling, you can find step-by-step-hints and spoiler-free solution checkers on this website.