But! There is a Mac version of Civilization V. For that, all is forgiven. Also, Portal 2 was released simultaneously for Mac and Windows, so no worries there either.
In another two years, I'll be telling the new guys "In my day, we didn't have these fancy rocket packs that let us fly to Venus and telecommute from Robo-Katherine Hepburn's Space Palace of Pleasure."
Two years! It'll happen!