One of these keys:
GT Legends
Sega Genesis Classics Pack 1 (10 games)
Sega Genesis Classics Pack 2 (10 games)
Sega Genesis Classics Pack 3 (10 games)
Sega Genesis Classics Pack 4 (10 games)
Sega Genesis Classics Pack 5 (10 games)
Crazy Taxi
Jet Set Radio
SEGA Bass Fishing
Sonic Adventure DX
Space Channel 5 Part 2
Blood Bowl Legendary Edition
King Arthur 1 Collection
Might & Magic Clash of Heroes + I am the Boss DLC
RUSE
Shoot Many Robots
Supreme Commander 2
The Last Remnant
S.T.A.L.K.E.R.: Shadow of Chernobyl
Warhammer 40,000: Space Marine
Zeno Clash
Avadon the Black Fortress
Binding of Isaac + Wrath of Lamb
Brazen Prototype (from HIB Doublefine)
Closure
Cogs
Cortex Command
Crayon Physics Deluxe
Cryostasis
Eufloria
Fantasy Wars
Indie Game the Movie
Insecticide Ep. 1
King's Bounty the Legend
Lead & Gold
Men of War
Men of War Red Tide
Necrovision
Necrovision Lost Company
Red Faction Armageddon Path to War DLC
Reign: Confict of Nations
Rig n' Roll
Shattered Horizon
Snapshot
Space Rangers (this game is no longer in Steam store)
Splice
Superbrothers Sword & Sworcery EP
Star Wolves 3
Swords & Soldiers HD
Theater of War 2: Africa 1943
Titan Quest
Velvet Assassin
Waking Mars
Warhammer Dawn of War 1 GOTY
Weird Worlds Return to Infinite Space
XIII Century Gold
Zen Bound 2
HIB3 Android 3 Bonus key (World of Goo, Anomaly, Osmos, EDGE)
Like the title above says, I have a Sleeping Dogs key for Steam.
Asking $12 on paypal or similar in Steam Wallet, TF2/Dota keys, or game offers.