Source Steam Blog store.steampowered.com
Having trouble with games not launching on a SteamOS device like the Steam Deck, Steam Machine or Steam Frame? Here's some steps you can take. Read the full article here: https://www.gamingonlinux.com/guides/view/steam-deck-steam-machine-steamos-game-wont-launch-how-to-fix-games-that-wont-start