there are now no store links that link outside of steam.
2.5 No Other In-Application Stores. The parties agree that Applications distributed via Steam will not include functionality from or links or references to any store other than Steam, or any other facility for making purchases or payments. For clarification, the preceding sentence does not apply to versions of Applications that are distributed outside of Steam (whether at brick-and-mortar retail stores or online), whether or not such versions use Steamworks.
