Discounts/PromosThe Sims 3 Steam Holiday Sale – 50% off Sims 3 Games! By SimsVIP - December 27, 2011 3 1,249 Share on Facebook Tweet on Twitter - Advertisement - Steam is holding a cool deal on Sims Games! Take 50% off all EP/SP’s til January 2nd! Offer excludes Sims 3 Pets. Thanks to Joe T for the email!