[H] Fez, Mark of the Ninja, Brutal Legend, Mafia II [W] Cities in Motion 2, HL2, KSP, Train Sim

Have Steam keys for:

Fez

Mark of the Ninja

Brutal Legend

Mafia II

Want Steam keys for:

Cities in Motion 2

Half-Life 2

Kerbal Space Program

Train Simulator

Don't Starve

Other offers are welcome, but the games listed above take priority.