Any of these?
Gettysburg, A Game of Dwarves, Warlock: Master of the Arcane, Europa Universalis III: Chronicles, Defenders of Ardania?
They're all keys.
I'm looking to trade Torchlight 2 for smth more valuable than don't starve, sry.
If you want you can take a look here if you see a combo of games that may interest you.