This book is all about change, and how to cope with it.

… if we look at Agile from a gameful viewpoint, we can see some features of it that resonate with games. These add another reason why many, many developers find the Agile development process a way to work that leaves them motivated and engaged.

Gameful thinking is about analyzing processes and problems in terms of a game. It doesn't mean everything is a game, but as Jane McGonigal shows in 'SuperBetter', using gameplay can make you more resilient, more able to meet your goals, and more able to stay motivated.