What is Showdown?

Greetings. I stumbled upon this: Epic Games Shares Sneak Peak at Showdown – VRFocus

Any infos about this? And what was the game shown? It looks like The Infiltrator.

ins’t a game, showdown its a demo made by epic for crescent bay for show in the oculus connect like that article say, they reuse things from others demos/games. that all