Chidoo Quizmaster is a collection of educational quiz apps. Activate and configure any available app easily in the wordpress backend. Each Quizmaster app provides a single shortcode for integration in a page. Chidoo Quizmaster is extensible, so you can build custom Quizmaster apps. Currently, Chidoo Quizmaster comes with the following default app(s): The Memory by Chidoo Quizmaster – A memory game for learning music notation.