Steam Holiday Sale 2013 has started Posted on Thursday, December 19, 2013 First day deals are: Assetto Corsa Batman Arkham Origins Bioshock Infinite Dead Island Dishonored METAL GEAR RISING: REVENGEANCE Monaco The Stanley Parable Space Hulk Flash sales: Counter-Strike: Global Offensive Divekick Guns of Icarus Online The Typing of The Dead: Overkill