"Humans are engaged when their mind is challenged, not their mouse."
5 Design Steps for Learner Engagement and Motivations for Humans
Here are the curated resources, slide deck (it will only makes sense if you were attending), and some frequently asked questions.
Slide deck: http://www.slideshare.net/secret/z6ZIPYm9sVLABG
Here’s a whole article on that: https://www.linkedin.com/pulse/how-do-i-tell-my-boss-gamification-good-idea-zsolt-olah?published=t