[H] Killing Floor, Serious Sam, Left 4 Dead Pack, Natural Selection 2 + More [W] TF2 Keys, Offers

do you accept card ?

I've a key for Saints row 3 would be interested in either giana sisters or L4D bundle for it?

left 4 dead bundle for any of these games?

[W] Natural Selection 2 & Fallout [H] Do You want to trade for any of this games?
Have: Steam Keys:

• Ticket to Ride
• Ticket to Ride 1910 USA DLC
• Incredipede
• Worms Armageddon
• Worms Blast
• Worms Ultimate Mayhem
• Worms Pinball
• Worms Crazy Golf
• Superfrog HD
• Batman: Arkham Asylum GOTY
• F.E.A.R. 2: Project Origin
• F.E.A.R. 3
• Lord of the Rings: War in the North
• Edna and Harvey: Harvey's New Eyes
• A New Beginning
• Final Cut
• The Whispered World
• Trainz Simulator 12
• IL2-Sturmovik: 1946
• Euro Truck Simulator
• GT Legends
• Agricultural Simulator 2011 Extended Ed.
• Air Conflicts: Secret Wars
• GTR FIA GT Racing
• Rig 'n' Roll
• Trainz Simulator: Murchison 2

I got Command & Conquer 4: tiberian twilight (Gift) if u re interested add me we ll work something out

2k for the natural selection 2

How much for Serious Sam Pack?
Do you accept Paypal or only TF2 keys?

Garry's mod's gift for killing floor? :)

2x Dota 2 Treasure Keys for L4D2