[H] Sactum collection, Sanctum 2, Cities in Motion 2, Garry's Mod / more [W] games/TF2 keys

Have:

Dead Island Epidemic
Bastion
Eets Munchies
Sactum collection
Sanctum 2
Cities in Motion 2
Garry's Mod
Orcs must die GotY
Interstellar Marines

Want:

TF2 keys
Games I dont have