This article provides a solid overview of gamification, yet leaves out a component that I think all cognitively-engaging games posses: story
Distilling a great deal of what we've done in this course into a single short article, minus the digital components. A great pages to just get some ideas snapping and popping in the brain.
An intriguing list of qualities that might make for some interesting surveying & discussion, as well as some deliberate instructional design