McGonigal's work has significantly influenced the field of gamification, shaping how organizations and individuals use game design principles to engage users, motivate behavior, and solve problems. Her books and talks have popularized the concept of gamification and have inspired countless individuals to explore its potential applications.

Through SuperBetter and her other works, McGonigal has contributed to the field of positive psychology and has helped to promote the use of games as tools for improving mental and physical well-being. Her research has demonstrated the potential of games to build resilience, reduce stress, and enhance overall quality of life.

McGonigal's innovative approach to game design has helped to shape the future of the field, encouraging designers to think beyond entertainment and to create games that can address social issues, promote learning, and improve human lives. Her work inspires designers to create meaningful and impactful games that can make a positive difference in the world.