Have:

Mark of the Ninja
Mirror's Edge (2x)
LIMBO
A Virus Named TOM
Mafia 2
Dead Spce (2x)
Serious Sam HD: The First Encounter
Serious Sam HD: The Second Encounter
Mafia 2
Civilization V
Greed Corp
Batman Arkham Asylum (humble bundle link)
Burnout Paradise: The Ultimate Box
Medal of Honor
Red Alert 3 - Uprising
Aquaria
Waking Mars
F.E.A.R. 3 (humble bundle link)
(all are steam keys, except hb links)

Want:

TF2/D2 keys or offers