Love this breakdown between psychology and tech of why gamification works and its interrelation with employee engagement.
Of note is that gamification in the workplace also drives collaboration, especially when the games are competitive. That may seem counterintuitive but it works.
Related & relevant reading:
5 ways to boost employee engagement with microlearning (through a game!) http://blog.atrivity.com/5-ways-microlearning-boosts-employee-engagement
Gamification vs game based learning (LMS vs real game in work context) http://blog.atrivity.com/gamification-and-game-based-learning