Has anyone managed to get it working? I have the same issue:
NWjs 75 + Steamworks 1.50 + GOG Steam SDK Wrapper 1.50, the game crashes on startup. This only happens when GOG app is running.
NWjs 82 + Steamworks 1.58 + GOG Steam SDK Wrapper 1.57 (they don't have 1.58), I get this error: