It very hard to check all your great games :P
Awesomenauts - 1 key
Fable - The Lost Chapters - 1 key
Deponia - 1 key
PAYDAY The Heist - 1 key
Monaco: What's Yours Is Mine - 1 key
PAYDAY The Heist Wolfpack - 1 key
Electronic Super Joy - 1 key
Retro City Rampage - 1 key
Dead Horde - 1 key
La-Mulana - 1 key
Euro Truck Simulator - 1 key
Sanctum - 1 key
Sanctum 2 - 1 key
Defender's Quest: Valley of the Forgotten - 1 key
E.Y.E: Divine Cybermancy - 1 key
Audiosurf - 1 key
The Binding of Isaac - 1 key
Serious Sam 2 - 1 key
Trapped Dead - 1 key
Painkiller Overdose - 1 key
Two Worlds II Castle Defense - 1 key
Nation Red - 1 key
Takedown: Red Sabre - 1 key
World of Goo - 1 key
Just Cause - 1 key
Fallout 3 - 2 keys
Dead Space 2 - 2 keys
Hotline Miami - 2 keys
Terraria - 2 keys
Natural Selection 2 - 2 keys
Plants vs. Zombies GOTY Edition - 2 keys
Garry's Mod - 2 keys
Super Meat Boy - 2 keys
Castle Crashers - 2 keys
Rise of the Triad - 2 keys
Just Cause 2 - 2 keys
SPORE Galactic Adventures - 2 keys
Saints Row 2 - 2 keys
Far Cry 2: Fortune's Edition - 2 keys
Empire: Total War - 2 keys
The Binding of Isaac + DLC - 2 keys
Titan Quest Gold - 2 keys
Gone Home - 2 keys
Dark Messiah of Might & Magic - 2 keys
Sid Meier's Civilization V - 2 keys
Sid Meier's Civilization V - Gods and Kings - 2 keys
Saints Row: The Third - 2 keys
Tropico 4 - 2 keys
Skullgirls - 2 keys
Killing Floor - 2 keys
Tom Clancy's Splinter Cell Chaos Theory - 2 keys
Magicka - 2 keys
Skulls of the Shogun - 2 keys
Renegade Ops - 2 keys
Kingdoms of Amalur: Reckoning - 2 keys
Half-Life 2 - 2 keys
Bastion - 2 keys
Bastion Soundtrack Edition - 2 keys
Giana Sisters: Twisted Dreams - 2 keys
Assassin's Creed: Director's Cut - 2 keys
Assassin's Creed 2 Deluxe Edition - 3 keys
Assassin’s Creed Brotherhood - 3 keys
Assassin's Creed Revelations - 3 keys
Infestation: Survivor Stories - 3 keys
PAYDAY The Heist 4 pack - 3 keys
Euro Truck Simulator 2 - 3 keys
Contagion - 3 keys
The Orange Box - 3 keys
Castle Crashers + BattleBlock Theater - 3 keys
LEGO Marvel Super Heroes - 3 keys
LEGO The Lord of the Rings - 3 keys
Killing Floor Bundle - 3 keys
Tropico 4 Collector's Bundle - 3 keys
SimCity™ 4 Deluxe Edition - 3 keys
SPORE - 3 keys
Battlefield: Bad Company 2 - 3 keys
Batman Arkham City GoTY - 3 keys
Sid Meier's Civilization V: Brave New World - 3 keys
L.A. Noire - 3 keys
L.A. Noire: The Complete Edition - 3 keys
Need For Speed: Hot Pursuit - 3 keys
Command & Conquer: Red Alert 3 - 3 keys
Saints Row: The Third - The Full Package - 3 keys
Tom Clancy's Splinter Cell Conviction Deluxe Edition - 3 keys
Dragon Age: Origins - 3 keys
Mass Effect 2 - 3 keys
Sonic & All-Stars Racing Transformed - 3 keys
GRID - 3 keys
Portal 2 - 3 keys
Portal Bundle - 4 keys
Assassin’s Creed III - 4 keys
Euro Truck Simulator 2 Gold Bundle - 4 keys
CSS + GMOD - 4 keys
Fallout 3 GoTY - 4 keys
DiRT 3 - 4 keys
Chivalry: Complete Pack - 4 keys
Left 4 Dead 2 - 4 keys
Terraria 4-Pack - 4 keys
GTA IV - 4 keys
Total War: SHOGUN 2 - 4 keys
GTA IV: Complete Edition - 4 keys
Half-Life Complete - 5 keys
Transformers: Fall of Cybertron - 5 keys
SPORE Complete Pack - 5 keys
PAYDAY 2 - 5 keys
Grand Theft Auto Complete Pack - 5 keys
Assassin’s Creed III Deluxe Edition - 6 keys
- Deus Ex: The Fall [1 TF2 key]
- Lara Croft and the Guardian of Light [1 TF2 key]
- Hitman: Absolution [2 TF2 key]
Resident Evil: Revelations - All DLC Pack - 2 TF2 Keys
Resident Evil 6: All Modes Pack - 3 TF2 Keys
• Skyrim → 3 TF2 Keys
• L.A. Noire Complete Edition (with all DLCs) → 3 tf2 Keys
• Assassins Creed III → 5 tf2 Keys
• Assassins Creed: Revelations → 5 tf2 Keys
• Prototype 2 → 4 tf2 Keys
• OUTLAST → 3 TF2 Keys
• Just Cause 2 → 2 TF2 Keys
• Max Payne 3 → 3 tf2 Keys
• Batman: Arkham Origins → 4 tf2 Keys
• The Bureau: XCOM Declassified → 2 TF2 Keys (2 copies for 3 keys)
be sure to check which game i have - i don't want games that i already own.