Ingress (video game)
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.