[H] Garry's Mod, Serious Sam 3 BFE, CitiesXL, Magicka + DLCs, Orcs Must Die GOTY & more [W] keys

Hi, I'm trading the following games :

• Garry's Mod > 2 keys
• Serious Sam 3 BFE > 1 key
• CitiesXL > 1 key
• Sanctum 2 > 1 key
• Sanctum Collection > 1 key
• Magicka + 2 DLCs > 2 keys
• Orcs Must Die GOTY > 1 key

Prices negotiable on steam chat, add me to discuss.