From Crowbar Collective, the people behind Black Mesa, comes a single player and co-op roguelite blatantly channeling old Rainbow Six vibes, and I personally couldn’t be happier, given the state of Rainbow Six now. Also, it’s got LAN and split-screen.
https://store.steampowered.com/app/1843840/Rogue_Point/
Early access next year.
If it’s the team that made Black Mesa, I feel obliged to check it out