It was first an Xbox One exclusive, then revealed for PC as well. Now Recore will be coming out on September 13, if this pre-E3 leak is legitimate.
NeoGAF user Gwyn posted the release date, as well as an image for the game, which is a sci-fi adventure shooter focusing on a bunch of robots. It is being developed by Microsoft Game Studios and Keiji Inafune's Comcept Studios. We should get more details at the Microsoft press conference tomorrow.
Here are the images:
John Keefer posted a new article, E3: 2016 ReCore screenshots, release date leak
Is this Steam PC or WIndows 10 PC?