Pokémon Go is not just play--the game has had an impact on public spaces, social circles and technology, suggesting new ways of experiencing our world. This collection of new essays explores what Pokémon Go can tell us about how and why we play. Covering a range of topics from mobile hardware and classroom applications to social conflict and urban planning, the contributors approach Pokémon Go from both practical and theoretical angles, anticipating the impact play will have on our digitally augmented world.