Quandary Home page: http://www.halfbakedsoftware.com/quandary.php
Tutorial and examples: http://www.halfbakedsoftware.com/quandary_tutorials_examples.php
Mazes created by students: http://www.lclark.edu/~krauss/quandarytasks/home.html
Portuguese adventure: http://nonio.eses.pt/asp/europa/index.htm
French adventure: http://www.ac-creteil.fr/lettres/eleves/harry/parcours/index.htm