[H] Portal 2 [W] offers^or Skyrim Heathfire or Civ V DLC

Future Wars
Unstoppable Gorg
Stellar Impact
Grotesque Tactics
Deponia
Magicka and Magicka Vietnam

or Company of Heroes: Tales of Valor (ROW) + AirMech 2

or Fireburst + AirMech 2

or Trine 2 + AirMech 2

or Ravaged + AirMech 2

or Frozen Synapse + AirMech 2

or Renegade Ops + AirMech 2

or Command & Conquer 3: Kane's Wrath + AirMech 2

or Ignite + The Ship, The Ship Single Player + AirMech 2

or Nexuiz + AirMech 2

or Nucler Dawn + AirMech 2

all games tradable

CS 1.6+condition 0+deleted scenes for portal 2 ;d?

You still want Heathfire?

Shank 2 - Snapshot - Titan quest - Warhammer 40k

any 2 of them
for portal 2