[H] Counter Strike Complete, X-COM, Spec-Ops, more... [W] Age of Empires Complete Collection

One of them for AOE III:

• X-COM: Enemy Unknown
• Counter Strike Complete

Or 2 of the following list:

• Spec-Ops: The Line
• Trine Complete Collection
• Mirror's Edge (key)
• Insurgency
• Half Life 2

Or 3 from that list:

• Killing Floor
• Garry's Mod
• Orion: Dino Horde
• Stacking
• Burnout Paradise (key)
• Angelica Weaver (key)
• Mini Motor Racing EVO (key)

Or 4 from that list:

• Half Life 2 Episode 1
• Half Life 2 Episode 2
• ROME: Total War
• Krater
• DLC Quest
• McPixel
• Wanderlust
• Time Gentlemen Please
• Super Hexagon

You can mix games from different lists. Steam gifts, excepting those marked as (key).