If Civilization 5 was bought from the Mac App Store, would I be able to activate it on Steam, and how could I do so?
It says here that CD keys for Civ 5 are accepted on Steam. Would this still work for if that game was bought on the Mac App Store? Does Apple's DRM allow compatibility with this other system or is there something that the developer of that game does to allow activation of that game on Steam?
I will accept "No" as an answer to this question because I am not sure myself if this is possible.