[H]Tropico 4 Collector's Bundle,Bloodsports TV, have bunch of gifts and keys [W] Killing Floor 2

Tropico 4 Collector's Bundle - 2 gifts
Bloodsports TV - 1 gift
Serious Sam HD: The First Encounter - 1 gift
Serious Sam HD: The Second Encounter - 1 gift
The Binding of Isaac Collection - 1 gift
Gun Monkeys - (many)
Spacechem - (many)
GTR Evolution - (many)
Really Big Sky - (many)
Dino D-Day