Game design course at MIT - more than 24 audio lectures
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Syllabus | Game Design | Comparative Media Studies/Writing | MIT OpenCourseWare
https://ocw.mit.edu/courses/cms-608-game-design-spring-2014/pages/syllabus/
This syllabus section provides the course description and information on meeting times, prerequisites, class requirements and grading, plagiarism, and intellectual property.
Anyone interested in game design and would like to learn more, I can only recommend this free MIT course.