No. And if you have both standalone and Steam delivery methods, Launcher will serve you well by collecting your users from both platforms into one database. Our “seamless registration” allows users who run the game for the first time in Steam to seamlessly pass the registration process, and at the same time go to your official website outside Steam, log in there using Steam OpenID, and become a part of an official / centralized communication (e.g. communicate on the forums, discover new games, read news, etc).