Close
If you're not into DotA, I'm gonna try and offer you HIB2 & 3 keys for Metro.
HIB2 & 3 - Humble Indie Bundles #2 & #3, containing these games: Braid, Cortex Command, Machinarium, Osmos, Revenge of the Titans, Crayon Physics Deluxe, Cogs, VVVVVV, Hammerfight, And Yet It Moves, Steel Storm and Atom Zombie Smasher.