Since Ingress’s launch in late 2012, it has gathered a small but devoted player base around the world. (It’s hard to tell how small; Niantic refuses to give out statistics. The game has been downloaded more than 11 million times, just like Pokemon Go.
Pokémon Go is a social game, while Ingress takes this aspect much further. In Ingress, two teams—the Enlightenment and the Resistance—battle for control of portals akin to PokeStops scattered throughout the world.