[H] All Zombies Must Die!: Bundle [W] Metro, Portal 2, Offers

Machinarium for All Zombies Must Die!: Bundle? :)

Torchlight?

Renegade Ops key (includes all DLC) or Indie Gala 4/5/6 BTA for All Zombies Must Die!: Bundle?

Any of these?
Super Meat Boy, Lone Survivor and Braid steam key
Harvest: massive encounter
Gundemonium Recollection
AirMech beta
Alien shooter
SteelStorm: burning retribution
Lucid

Are you interested in any of these for Zombies must die? They're all keys: Air Conflicts, Commandos Collection, Arkhelom 3D, Tompi Jones (desura key), Ion Assault (desura key)

dota 2 for AZMD.