Binding of Isaac + DLC key for Mark of the Ninja? I also have Red Faction Armageddon, Darksiders, Metro 2033 and Shadow of Chernobyl keys.

deadlight?

Bulletstorm + Space Empires V?

[H] FlatOut + FlatOut: Ultimate Carnage + Serious Sam Classic: First Encounter [W] Mark of the Ninja

Indie game the movie+ (Half Life 2 Ep 1/Fallout 3) for it

Bioshock 1 and 2 key for Mark of the Ninja

BioShock 1 and 2 + Spec Ops: The Line for it.

Viking

borderlands GOTY, legend of Grimrock, Torchlight+Isaac or Duke Nukem Forever?

[H] don't starve + nuclear dawn [W] mark of ninja

Interested in any of these for Mark of the Ninja?

The Elder Scrolls III: Morrowind GOTY Steam Key

Fallout 3 Game of the Year Steam Key

Fallout: New Vegas Ultimate Edition Steam Key

Darkness 2 tradeable?

Castle Crashers for it?

Bioshock and/or Darksiders keys for it?

Hitman Sniper Challenge + Warhammer 40k goty + Titan Quest?