Installed my GOG Games to Steam through heroic on my steam deck... very few of them work...
A lot of my games will not launch through steam deck's game mode, most notably Diablo+Hellfire
HGLHeroic Games Launcher / 🆘-supportHGLHeroic Games Launcher / 🆘-supportHGLHeroic Games Launcher / 🆘-supportHGLHeroic Games Launcher / 🆘-support