Coming across it by pure chance recently, Bioflux - Horde is an upcoming survival game with enemy numbers that actually look like true hordes of infected.
Here's a nice chance to grab a bunch of remasters in the Masterful Remasters Bundle from Green Man Gaming including Tomb Raider, Legacy of Kain and more.
Primal Survival is an upcoming prehistoric game about surviving as Homo habilis or Homo erectus, and it really sounds interesting with the dangerous world.
Where Winds Meet is a new free to play game on Steam that's doing some big numbers right now, and thankfully it seems to work great on Linux with Proton.
Out now in Early Access, from the minds that gave us the excellent Duskers, Below the Crown is a mixture of chess-like pieces and moves in a dungeon crawler.
Looking forward to the next remaster from Nightdive? They recently put up a new dev diary video for Outlaws + Handful of Missions: Remaster to show it off.