[H] Interstellar Marines, Pid, Aerena, Batman AA, Guns of Icarus O., others [W] Offers

Hi! I have Steam keys for these games:

Interstellar Marines (key)
Interstellar Marines (gift)
Il-2 Sturmovik 1946
Aerena (gift)
Alien Shooter 2: Conscription
Pid
Guns of Icarus Online
Two Worlds 2
Sid Meier’s Ace Patrol (Humble Bundle gift link)
Sid Meier’s Ace Patrol: Pacific Skies (Humble Bundle gift link)
Zeno Clash (Humble Bundle gift link)
Batman Arkham Asylum (Humble Bundle gift link)
Burnout Paradise: The Ultimate Box
Command & Conquer: Red Alert 3 - Uprising
NightSky
Serious Sam HD: The First Encounter
Serious Sam HD: The Second Encounter
Rig 'n' Roll

Steam-only games please! :)

I'm not interested in TF2 keys / CS:GO / DOTA2 / Steam Cards.
Thank you everybody for offering! I'm happy to stay friends with you after the trade! :)