Total War Rome II Emperor Edition is now available as a Steamplay title on Steam. I was looking to see any indication if Feral ported this but nothing about them was noted on the Steam store page. Also the game isn't on the Mac App Store that I could see as of now. This is from the news page on Steam: The Total War: ROME II - Emperor Edition is upon us. The definitive version of ROME II is now available for PC and Mac via SteamPlay at your trusted retailer. If youre an existing owner of ROME II and have automatic updates enabled, Steam will update the game to the Emperor Edition for free. Alongside all previously released updates and free content it comes with significant improvements to the politics system and civil war mechanic, an overhaul of the building chains, extensive rebalancing of the campaign as well as land and naval battles, an improved UI, tweaked and improved graphics and more. Full patch notes can be found on the wiki: http://wiki.totalwar.com Finally the Emperor Edition includes Armenia as a new playable faction in the Grand Campaign as well as in the Imperator August campaign, our largest campaign pack for ROME II to date, which throws you in the chaos of the Roman Civil War that saw the Roman Republic fall and the Roman Empire rise, with Augustus as its sole leader. Which side will you take? You can find more information about the Campaign on the official Total War Wiki.