Niantic Labs are a games platform company that produce massively multiplayer games. They make use of the advances in technology, including AR (augmented reality) to create engaging content based in the real world. The company was a Google startup that has now become independent. Essentially, it was based on the Google Maps project and used the huge amounts of mapping data subsequently available to create map based games.
More can be found out about the company at: https://www.nianticlabs.com/
Wizards Unite will be a geo-location game, that is you will need to move around the streets with your mobile phone to play it. Niantic Labs have created several before. Let’s have a look at them: