Ingress is an augmented reality (AR) mobile game developed and published by Niantic for Android and iOS devices. The game first released on December 14, 2013, for Android devices and then for iOS devices on July 14, 2014. The game is free-to-play, uses a freemium business model, and supports in-app purchases for additional in-game items. The mobile app has been downloaded more than 20 million times worldwide as of November 2018.

Fitness game, exergame, and gamercise are terms used for video games that are also a form of exercise. Fitness games rely on technology that tracks body movement or reaction. The genre has been used to challenge the stereotype of gaming as a sedentary activity, and promoting an active lifestyle among gamers. Fitness games are seen as evolving from technology aimed at making exercise more fun.