In Desktop Mode there are plenty of free and open source games available, which can be manually added to Steam Launcher.
I haven’t played it on the Deck specifically yet, although it should work fine. OpenTTD, and I’ll add Free Stars: The Ur-Quan Masters.
I see you meant manually added games, well both can be added that way too, but it’s just easier to use Steam.
There’s also a list on !linux_gaming@lemmy.world, here
Mindustry
I liked that so much I bought it on Steam to support them, assuming it’s the same devs.
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Definitely Widelands! It captures the heart of settlers 2 while also extending it in ways that were really needed to make it even more enjoyable. Also with the right controller layout it plays very ergonomically. (Use a trigger to switch to map scrolling via the touchpads)
Has anyone managed to get AM2R working on the Deck? I was thinking of trying it out next.
There’s a flatpak in the discover store called AM2RLauncher. I installed that and right clicked on it to add it to steam. You have to also have the am2r 1.1 zip file.
Once I had it in steam, I used the SteamGridDB plugin to give it some artwork. The in game controls didn’t automatically work with the steam deck gamepad, but if you go to community layouts and hit “show all” there will be at least 3 that change the deck controls to keyboard inputs that do work.
One other note is that the default binding for missiles is control, but for some reason holding control seems to be blocking other inputs preventing you from firing missiles. This could probably be fixed by changing the key, but I instead changed the in game settings to make missiles a toggle ala super Metroid, and that fixed it for me.
