1) This games are all steam inventory gifts:

AXYOS
Bioshock Infinite + Season Pass Bundle ROW
BioShock Triple Pack
Black Mesa
BloodRayne
BloodRayne 2
Borderlands 2 Game of the Year
Borderlands: The Pre-Sequel + Season Pass
Counter-Strike: Global Offensive
Dino D-Day
Duke Nukem Forever Collection
Enclave
Fairy Fencer F
MASSIVE CHALICE
Postal 2 + Paradise Lost
Primal Carnage
Rust
Sang-Froid - Tales of Werewolves
Shadow Warrior: Special Edition
The Elder Scrolls V: Skyrim
Valkyria Chronicles™
XCOM: Enemy Unknown Complete Pack

2) This games are all steam keys:

18 Wheels of Steel: Extreme Trucker
3D Realms Anthology - Steam Edition
A Story About My Uncle
Abyss Odyssey
Age of Enigma: The Secret of the Sixth Ghost
Alien Rage - Unlimited
Armada 2526 Gold Edition
Assassin’s Creed® Chronicles: China - Uplay
Bardbarian
Battle vs Chess
Bejeweled™ 3
Betrayer
Bionic Commando: Rearmed
Blackguards 2
Blades of Time Limited Edition
Blood Knights
Bound By Flame
Cally's Caves 3
Cast of the Seven Godsends
Cities XL Platinum
Citizens of Earth
Combat Wings: Battle of Britain
Contagion
Culling Of The Cows
Deep Dungeons of Doom
Demonicon
Deponia
Depth Hunter 2: Deep Dive
Desert Thunder
Dino D-Day
DiRT Showdown
Divekick
Door Kickers
Dungeon Defenders
Dyscourse
Else Heart.Break()
Etherlords I & II
Fancy Skulls
Far Cry 3 - Uplay
Far Cry 3: Blood Dragon - Uplay
FATE: Undiscovered Realms
Flying Tigers: Shadows Over China
Freedom Planet
Front Mission Evolved
Game of Thrones
Gas Guzzlers Extreme
Gas Guzzlers Extreme Full Metal Frenzy DLC
Gas Guzzlers Extreme Full Metal Zombie DLC
GemCraft - Chasing Shadows
Gorky 17
GRID 2 Drift Pack
Grid 2 Spa- Francorchamps Track Pack
GRID Autosport Drag Pack
GRID Autosport Road & Track Car Pack
GRID™
Grim Fandango Remastered
Grow Home
Gun Metal
Gyromancer
Hard Reset Extended Edition
Hero of the Kingdom
Hostile Waters: Antaeus Rising
Humanity Asset
INK
Inquisitor Deluxe Edition
Inside My Radio
Insurgency
Iron Grip: Warlord and Scorched Earth DLC
Just Cause Collection
Kaiju-A-GoGo
Lovely Planet
Magnetic: Cage Closed Collector's Edition
Mahjongg Investigations: Under Suspicion
Marine Sharpshooter II: Jungle Warfare
Mars: War Logs
Mass Effect™ 2
Men of War: Assault Squad GOTY
Midnight Outlaw: 6 Hours to SunUp
Mission Runway
Monstrum
Mount & Blade: With Fire & Sword
Mutant Mudds Deluxe
Nam
Nether: Resurrected
Never Alone + Foxtales DLC
Neverending Nightmares
Nosferatu: The Wrath of Malachi
Nuclear Dawn
Operation Flashpoint: Dragon Rising
Operation Flashpoint: Red River
Our Nation's Miner
Outlast
Overlord II
Overlord Raising Hell (Expansion)
Overlord™
Pixel Puzzles Japan
Prime World: Defenders
RADical ROACH Deluxe Edition
Rayman® Origins - Uplay
Realms of Arkania: Blade of Destiny - For the Gods DLC
Realms of Arkania: Blade of Destiny Revised Edition
Realms of the Haunting
Retro City Rampage DX
Ride! Carnival Tycoon
Rise of the Argonauts
shiplord
Soulbringer
Space Run
SpeedRunners (Early Access)
Sprint Cars Road to Knoxville
Starpoint Gemini 2
Stick RPG 2: Director's Cut
STRIDER™
Sunless Sea
Super 3-D Noah's Ark
Super 3-D Noah's Ark
The Crew - Uplay
The First Templar - Steam Special Edition
The Incredible Adventures of Van Helsing
The Incredible Adventures of Van Helsing II
The Last Remnant
Tiny Troopers
Tom Clancy's Splinter Cell Chaos Theory® - Uplay
Tom Clancy's Splinter Cell® Blacklist™ - Uplay
Trine 3: The Artifacts of Power
Two Worlds Epic Edition
Two Worlds II
Two Worlds II - Pirates of the Flying Fortress DLC
UnEpic
Unity of Command: Stalingrad Campaign
Vector Thrust
WarInABox-PaperTanks
Xeodrifter Special Edition
Xotic Complete Pack
Yosumin