Games similar to Puzzel include Hot Potatoes, which is free. Other options are Classtime and LearningApps. In total there are three Online Education Services like Puzzel for the web, Mac, Windows and Linux.
The Hot Potatoes suite includes six applications, enabling you to create interactive multiple-choice, short-answer, jumbled-sentence, crossword, matching/ordering and gap-fill exercises for the World Wide Web.
United States
Classtime is a solution for teachers that complements in-class teaching with immediate feedback on students’ level of understanding. Create great questions, engage everyone, improve understanding. No registration required to see how it works!
Switzerland
LearningApps.org is a Web 2.0 application, to support learning and teaching processes with small interactive modules. Those modules can be used directly in learning materials, but also for self studying.
