Trade games (keys) for games (keys)

I have this games:

1954 Alcatraz
A New Beginning - Final Cut
A Story About My Uncle
Aaru's Awakening
AER
Age of Wonders III
Anna's Quest
Arma Tactics
Ashes of the Singularity: Escalation
Bacterium
Battle vs Chess
Blackguards - Standard Edition
Bounty Train
Chicken Shoot Gold
Cities in Motion 2
Cultures - 8th Wonder of the World
Dead Age
Dead Ground
Decay: The Mare
Deponia (full version)
DiRT 3: Complete Edition
Dream Pinball 3D
Earth 2140
Enclave
Endless Space - Collection
Fantasy Wars
Galactic Civilizations II - Ultimate Edition
Gift of Parthax
Gold Rush! Classic
Gomo
Guacamelee! Super Turbo Championship Edition
Guns of Icarus Alliance
Hacknet
Hearts of Iron III
Heli Heroes
Holy Potatoes! A Weapon Shop?!
iBomber Defense
Idol Hands
Immortal Redneck
Iron Sky - Invasion
JASEM: Just Another Shooter with Electronic Music
Ken Follett's The Pillars of the Earth
Knights and Merchants
KnightShift
LEAVES - The Journey
LEAVES - The Return
Moonchild
Munin
Mushroom Wars
Oh My Gore!
Orwell: Keeping an Eye On You
Patrician IV
Pirates of Black Cove Gold
Pixel Puzzles: UndeadZ
Psychonauts
Repentant
Robowars
Ruins to Rumble
Seraph
Serial Cleaner
Shadowrun Returns Deluxe
Shooting Stars!
Silence
Skyhill
Star Wolves 2
State of Mind
STRIDER
Syberia
Syberia II
Tharsis
The deal
The Flame in the Flood
The Franz Kafka Videogame
The Last Tinker: City of Colors
The Long Journey Home
The Uncertain: Last Quiet Day
Theatre of War
Theatre of War 2: Kursk 1943
TransOcean: The Shipping Company
Tropico 4
Two Worlds Epic Edition
Two Worlds II HD - Call of the Tenebrae
Underhero
Valhalla Hills
World War I
World War I
WORLD WAR II: PANZER CLAWS
World War III - Black Gold
World War III: Black Gold
X-Blades
XCOM: Enemy Unknown
Zanzarah: The Hidden Portal

I trade for others game that i don’t have,