Love racing spaceships? Check out Fly Dangerous, originally created as a love letter to the Elite Dangerous racing community, it's now available on Steam and it's free.
Project Zomboid, a survival game from The Indie Stone that's currently in Early Access just had a big new stable release, and it should now work better on the Steam Deck and with controllers overall.
The Garden Path is an upcoming casual chilled-out life sim that looks gorgeous. Now you can get access to it with the early bird limited access system on itch.io.
Retro Commander from developer Noble Master is a free to play RTS that just landed on Steam in Early Access, and so far it seems to be pretty great and fills me up with nostalgia.
Oaken, a brand new Early Access turn-based tactical roguelike from Laki Studios and Goblinz Publishing, just added an experimental Linux build ready for testing.
Cannibal Crossing, an action-survival game for 1-4 players from development teams at Rocketcat Games (Death Road to Canada) / Everplay Interactive / Blow and Try Again continues evolving and gets some nice Steam Deck improvements.
It may be a little rough around the edges since it's brand new and in Early Access but Peglin might be another game I end up sinking 100s of hours into.
Released into early access on April 21, Terraformers is a game about growing and developing a network of cities on Mars, with the eventual goal of (what else) terraforming it.
Despot's Game: Dystopian Army Builder is a rogue-like tactics army battler that I was absolutely in love with when it first entered Early Access and now on the Steam Deck I love it all over again.
Do you remember the classic multiplayer shooter Soldat? Well, it continues living on with the original now being open source and the sequel just got completely remade.
Lumencraft is a brand new release from developer 2Dynamic Games that is going to suck up far too much of my time, and might be a new favourite run blast through on my Steam Deck.
Book of Travels is a tiny multiplayer online RPG from developer Might and Delight (known for the likes of Shelter and Meadow), which didn't do particularly well at the Early Access release but now they have a plan to save it.