From the developers of the rather good The King is Watching, an apocalypse city-builder with giant creatures! The Crab is Walking sounds fun.
Raw Fury announced they're publishing the very unique looking Dungeon Automata, that blends dungeon crawling with visual scripting for auto battling.
Gears of War: E-Day has gone gold, making it ready for release - and now the final system requirements have been revealed.
Online extraction shooters are still a genre pretty lacking on SteamOS / Linux, but EVE Vanguard will be another you can add ...
OpenFront has jumped over from being a browser game to a Steam release, and I can see it easily sucking away lots of my time firing off nukes at my neighbours.
Canonical developers have been working to improve Ubuntu Linux Desktop performance, specifically when under memory pressure making it a bit smarter.
Valve are now beginning to announce SteamOS updates for the Steam Frame, with the first public notification being SteamOS 0.3.0 for Steam Frame.
Wube Software gave Factorio something players have been asking for 11 years - a full ARM64 Linux port to play anywhere, which is ready for the Steam Frame.