One of my keys:
Blood Bowl Legendary Edition
GT Legends
Crazy Taxi
Jet Set Radio
SEGA Bass Fishing
Sonic Adventure DX
Space Channel 5 Part 2
King Arthur 1 Collection
Might & Magic Clash of Heroes + I am the Boss DLC
Shoot Many Robots
Supreme Commander 2
Bioshock 1
Bioshock 2
Homefront
Metro 2033
Red Faction Armageddon
Red Faction Guerilla
S.T.A.L.K.E.R.: Shadow of Chernobyl
Zeno Clash
Avadon the Black Fortress
Basement Collection
Binding of Isaac + Wrath of Lamb
Brazen Prototype
Cave Story Plus
Closure
Cogs
Cortex Command
Crayon Physics Deluxe
Cryostasis
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
Offspring Fling
Red Faction Armageddon Path to War DLC
Reign: Confict of Nations
Rig n' Roll
Shank 2
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
Waking Mars
Warhammer Dawn of War 1 GOTY
Weird Worlds Return to Infinite Space (currently not in Steam store)
XIII Century Gold
Zen Bound 2
HIB3 Android 3 Bonus key (World of Goo, Anomaly, Osmos, EDGE)
This key is from a friend who is using me as a middleman, so feel free to offer anything: games, keys, tradeables, PayPal.
Go on!