[H] Many keys (see list), Half Life 2 (Gift), Half Life 2: Episode 1 (Gift) [W] Garry's Mod, Offers

Wanting Garry's Mod! (also offers). Feel free to add and message me on steam :)

Have;

Avadon: The Black Fortress
Serious Sam HD: The First Encounter
Serious Sam HD: The Second Encounter
Serious Sam 3: BFE
Thomas Was Alone
Arma II
Arma Cold War Assult
Botanicula
Killing Floor
King's Bounty: The Legend
Batman: Arkham Asylum GOTY
Trainz Simulator 12
Euro Truck Simulator
Natural Selecton 2
Bastion
Trine 2: Complete Story
Fez
Walking Mars
Half Life 2 (GIFT)
Half Life 2 Episode 1 (GIFT)
Gun Monkeys
Duke Nukem 3D: Megaton Edition