Clash Royale is arguably one of the most successful and profitable mobile games. I’ve been playing it daily for over 2 years, with several unsuccessful attempts at quitting. I’ve watched kids and adults rage-quit, swearing never to play again, and eventually return to play with even greater addiction. There’s a secret sauce that can, when used correctly, transform mediocre products to a huge success. In this talk I’m going to share some of the ingredient of this sauce: on boarding, notifications, social aspects, rewards and of course - FOMO.