Steam Games for trade

i have key:

-Titan Attacks! : http://store.steampowered.com/app/203210/

-The Inner World (+soundtrack) : http://store.steampowered.com/app/251430/

-BANZAI PECAN : http://store.steampowered.com/app/341440/

-Train of Afterlife : http://store.steampowered.com/app/342360/

-Tropico 4 Steam Special Edition : http://store.steampowered.com/app/57690/

-Magicka : http://store.steampowered.com/app/42910/

-S.T.A.L.K.E.R: Clear Sky : http://store.steampowered.com/app/20510/

-System Shock 2 : http://store.steampowered.com/app/238210/

-Deponia : http://store.steampowered.com/app/214340/

-To The Moon : http://store.steampowered.com/app/206440/

-Streets of Chaos : http://store.steampowered.com/app/346320/

-Orc Attack: Flatulent Rebellions : http://store.steampowered.com/app/268520/

And gift in my inventory : http://steamcommunity.com/profiles/76561198096725014/inventory/