(Would prefer some of your extra TF2 junk to put in my bulging bag of TF2 junk. You'll probably be able to find someone offering what you want for free if you look, though)
75% Off
Garry's Mod
Risen
Sacred 2 (Game no longer available in US)
66% Off
Prototype
Singularity
Two Worlds II
50% Off
Cyan Worlds
Konami
Nordic
Rockstar
Square-Enix / Eidos (Dungeon Siege Complete for $20!)
Strategy First
TimeGate
Valve
1,2,3, Kick It
Arcania: Gothic 4
Back to the Future
Bioshock 2
Civilization V: GOTY
Crazy Machines Everything Pack
Divinity 2: DKS
Dungeons Franchise
Fallout Collection
Flight Control HD
Garshasp: The Monster Slayer
Hector: Badge of Carnage
IL-2 Sturmovik: Cliffs of Dover
L.A. Noire
LEGO Batman
Lightfish
Lost Horizon
nail'd
Operation Flashpoint: Red River
Penny Arcade Adventures Pack
Silent Hill: Homecoming
Tales of Monkey Island
Tom Clancy's HAWX 2
Universe Sandbox
Virtua Tennis 4
World of Goo
Worms: Ultimate Mayhem (Drops 4-Pack price to $5.62/ea!)
33% Off
2K
Atari
bitComposer
Codemasters
Focus Home Interactive
Kalypso
Paradox
Valve
Dungeons Siege III
Might & Magic: Heroes IV
Sword of the Stars II
25% Off
1C
2K
Activision
Atari
bitComposer
Codemasters
Deep Silver
Focus Home Interactive
Konami
Paradox
Sega
Square-Enix / Eidos
TellTale Games
THQ
Ubisoft
Valve
Warner Bros.
Dead Island
Might & Magic: Clash of Heroes
Lord of the Rings: War in the North
10% Off
1C
Atari
Codemasters
Deep Silver
Focus Home Interactive
GSC Games
id Software
Meridian4
Sega
Square-Enix / Eidos
THQ
Ubisoft
Warner Bros.