{H} Counter-Strike: Source, S.T.A.L.K.E.R.: Call of Pripyat {W} offers

the ship for S.T.A.L.K.E.R.: Call of Pripyat

Dead Space for Stalker

sanctum and UFO afterlight for STALKER? Both are tradable

Risen for STALKER COP?

Transformers, S.T.A.L.K.E.R.: Call of Pripyat, The Hitman Collection = Batman AC?

Dead Space 2 for transformers

HIB 4 BTA and Indie Gala 3 for Transformers?

One of these for Transformers: Bulletstorm / Blur / Tomb Raider: Underworld

Or one of these for 2x Transformers:
Shogun 2 + RotS Campaign / Dawn of War II: Retribution

Chantelise for Transformers / Stalker

Railworks 3: Train Simulator 2012 for Stalker?