https://techcrunch.com/2018/11/05/what-is-ingress-prime/

Before there was Pokémon GO, there was Ingress. It was Niantic’s first game — and while it never became the overwhelmingly popular phenomenon that GO did, it’s undeniably what allowed GO to exist in the first place.

Now Niantic is taking another swing at it. The company has rebuilt Ingress from the ground up, with the goal of making it prettier, more immersive, and — most importantly — more accessible to new players.