Shadow Tactics: Blades of the Shogun is 20% off: http://store.steampowered.com/app/418240/Shadow_Tactics_Blades_of_the_Shogun/
For fans of old Commandos and Desperados stealth real-time tactics games, this is a real treat...yeah, it's a bit expensive, even discounted, but well worth it if one is into this type of games.