If you have issues with running the cutscenes, try Proton-GE.
The game supposedly runs at 60FPS, however, it feels very much like 30FPS for some reason.
Wishlist Bearnard on Steam: https://store.steampowered.com/app/2422210/Bearnard/
The gameplay is based on the demo version of Bearnard, available as part of the Steam Deckbuilders Fest.
Contra is back with a fantastic follow-up to the classic series!
The game runs out of the box on Steam Deck with SteamOS.
I received access to the game for free from the publisher.
Builders of Greece runs out of the box on Steam Deck, however, the low framerate, tiny UI and high power consumption make it a tough sell for the handheld.
The game is currently in early access so...