I am the owner of GamingOnLinux. After discovering Linux back in the days of Mandrake in 2003, I constantly checked on the progress of Linux until Ubuntu appeared on the scene and it helped me to really love it. You can reach me easily by emailing GamingOnLinux directly. You can follow me personally on Mastodon[External Link].
Arena Breakout: Infinite releases soon from Morefun Studios and sadly, this is yet another online multiplayer title that will not work on Linux / SteamOS.
Digimon Story Time Stranger is coming soon from Media.Vision Inc. and Bandai Namco Entertainment Inc. and it's now it has a Steam Deck and SteamOS rating.
Airborne Empire is an interesting hybrid that mixes city-building, with open-world exploration and the latest update should fix it up on Linux / Steam Deck.
Here's a free game that you should try out. It's called Psycutlery, an action-platformer where you bring down an abomination of evil with a piece of silverware.