http://howtonotsuckatgamedesign.com/2015/03/60-minute-class-demos/
http://howtonotsuckatgamedesign.com/2016/02/super-mario-aaa-concept-process/
https://www.youtube.com/watch?v=4-5lOn8OMxg
https://www.youtube.com/watch?v=JQVD_Ahz36E
https://www.youtube.com/watch?v=4fD8vULQ5sk