Vortex subscription gives you 50 hours of playtime every month. Our library also includes games that need to be owned on Steam. Just create your Vortex account. Get the game on Steam. The game must be set to public as well as your Steam profile. Click 'play' button in Vortex. you will be redirected to Steam login window where you have to type your Steam credentials. You can now play the game.Cloud gaming delivers all the processing power that allows you to play games.