Rules of Engagement: The Grey State is an upcoming co-op horror extraction shooter that has two separate game modes: co-op PvE and squad-based PvP. This trailer reveals the PvE side of the game.Deploy to Boreas Isle, fight relentless monster hordes, and unleash devastating heavy firepower. During an operation, you may find a way into the Grey State—an anomalous space governed by rules of its own. Grab what you can, complete the mission, and make it out alive.Wishlist it on Steam if you're interested: https://store.steampowered.com/app/3978820/