Here is a really nice offer from GamersGate, South Park: The Stick of Truth and it's DLC are now 75% off. The game is Steam redeemable naturally.
I’ve just added OnePlay as another Steam Alternative store - this one is situated in United States (Las Vegas) and has a sub-office in Denmark. You can pick from several available currencies freely. Check out their latest offer, South Park The Stick of Truth for $45. Naturally it’s redeemable on Steam.