[H] Zeno Clash gift copy, [W] Serious Sam 2 or other offers

I'm interested in Zeno Clash. I have the following Steam keys: Red Orchestra 2, Red Faction: Armageddon, Red Faction: Armageddon Path to War DLC, and Darksiders. Let me know if you're interested.

Something from list ?

• Red Orchestra: Ostfront 41-45 KEY
• Nightsky key
• Crayon Physics Deluxe Key
• Closure Key
• Snapshot Key
• The Basement Collection Key
• Offspring Fling Key
• Indie Game: The Movie Key
• Zombie Driver HD key
• Company of Heroes: Tales of Valor key
• Shadowgrounds key
• Shadowgrounds Survivor key
• Shank 2 key