Steamworks
Fragment of a discussion from Talk:The Big List of DRM-Free Games on Steam
My reasoning was to reduce the space taken up by the introduction sections; how about something like "Steamworks is not DRM itself but can offer features such as (X Y Z); Steamworks features won't work when running the game without the client", with the Steamworks page then describing what it is and isn't?
It might also be useful to note cases where multiplayer and other major features of a game rely on Steamworks since that game would then be a seriously reduced experience when played without Steam.
