[H] COD 4, LIMBO, RO2 GOTY, Serious Sam2, Just cause, FEZ [W] TF2/DOTA2 Keys

I have:

COD 4

FEZ

Limbo

Red Orchestra 2 GOTY

Serious Sam 2

Just Cause

Im Looking for TF2/DOTA 2 Keys. Offers go in comments.