* [Design Requirements for Technologies that Encourage Physical Activity](https://www.cs.helsinki.fi/u/thusu/opinnot/uschool/T-121.5500/p457-consolvo.pdf)
* [From Game Design Elements to Gamefulness: Defining “Gamification”](https://uwaterloo.ca/scholar/sites/ca.scholar/files/lnacke/files/From_game_design_elements_to_gamefulness-_defining_gamification.pdf)
* [MoviPill: Improving Medication Compliance for Elders - Using a Mobile Persuasive Social Game](http://www.ic.unicamp.br/~oliveira/doc/Ubicomp2010_MoviPill.pdf)
* :scroll: [Why Students Engage in “Gaming the System” Behavior in Interactive Learning Environments](why-students-engage-in-gaming-the-system-behavior-in-interactive-learning-environments.pdf)