Cities XL Platinum or Mafia 2? I can also throw in Dungeon Defenders (+DLC); Men of War Assault Squad (+DLC); Binding of Isaac (+DLC)
Pick one for Chivalry:
GIFTS:
Awesomenauts
Batman Arkham Asylum GOTY
Book of Unwritten Tales
Civlization 5 GOTY
Deus Ex Human Revolution
Don't Starve
Evil Genius
Fable the Lost Chapters
Fallout Collection (1+2+Tactics)
Forge
FTL Faster Than Light
Garry's Mod
Intrusion 2
Iron Brigade
Just Cause 2
Magicka
Metro 2033
Mirror's Edge
Nation Red
Nuclear Dawn
Penumbra Collection
Portal 2
RAGE
Risen
Rome Total War Complete (includes Alexander)
Serious Sam 3 BFE
Shank 2
Sine Mora
Sniper Ghost Warrior Gold
Spore Creepy and Cute Pack
Star Wars KOTOR 1
Star Wars KOTOR 2
Starvoid
Terraria
Test Drive Unlimited 2
Tomb Raider Anniversary
Tomb Raider Legend
Tomb Raider Underworld
The Witcher 1 Enhanced Edition
The Ship Complete 2-pack (gives an extra gift copy on activation)
Torchlight
Torchlight 2
Two Worlds 2 Velvet Edition
Vampire the Masquerade Bloodlines
Warhammer 40K Dawn of War Platinum (3 games)
Warhammer 40K Space Marine
STEAM KEYS:
Awesomenauts
GT Legends
Blood Bowl Legendary Edition
Crazy Taxi
Jet Set Radio
SEGA Bass Fishing
Sonic Adventure DX
Space Channel 5 Part 2
Bioshock 1
Bioshock 2
Borderlands GOTY
Civilization 4 Complete
Deadlight
Duke Nukem Forever Complete
Homefront
Insanely Twisted Shadow Planet
Iron Brigade
Mark of the Ninja
Metro 2033
Might & Magic Clash of Heroes
Might & Magic Clash of Heroes I am the Boss DLC
Red Faction Armageddon
Red Faction Armageddon Path to War DLC
Shoot Many Robots
Spec Ops the Line
Stronghold Collection
S.T.A.L.K.E.R.: Shadow of Chernobyl
Supreme Commander 2
Toy Soldiers
Warhammer 40,000 Space Marine
Zeno Clash
Air Buccaneers
Avadon the Black Fortress
Basement Collection
Binding of Isaac + Wrath of Lamb
Brazen Prototype
Cave Story Plus
Cities in Motion
Cogs
Closure
Cortex Command
Crayon Physics Deluxe
Cryostasis (not in Steam store)
Darwinia
DEFCON
Deponia
Dungeons the Dark Lord
Eschalon Book 2
Fantasy Wars
Hearts of Iron 3
Home
iBomber Defense pacific
Indie Game the Movie
Insecticide Ep. 1
King's Bounty the Legend
Lead & Gold
Men of War
Men of War Red Tide
Multiwinia
Necrovision
Necrovision Lost Company
Offspring Fling
Painkiller Black
Party of Sin
Reign: Confict of Nations
Rig n' Roll
Shank 2
Shattered Horizon
Snapshot
Space Rangers (this game is no longer in Steam store)
Splice
Star Wolves 3
Superbrothers Sword & Sworcery EP
Swords & Soldiers HD
Theater of War 2: Africa 1943
Titan Quest
Trine
Uplink
Victoria 2
Warhammer Dawn of War 1 GOTY
Waking Mars
Zen Bound 2
XII Century Gold
HIB3 Android 3 Bonus key (World of Goo, Anomaly, Osmos, EDGE)
I'm interested on Chivalry.
Anything of your interest here?
Stellar Impact, Twin Sector, Dead Horde, Future Wars, Greed: Black Border, Grotesque Tactics
LOTR is tradable