[H] Posta 2: Complete / Unmechanical / Tiny and Big: Grandpa's Leftovers [W] 2 keys each

I can offer some of these for Unmechanical.

Tradeable: Serious Sam Classic: The Second Encounter
Keys: The Whispered World, Chains, Hydrophobia: Prophecy, Lucid, Nightsky, Fractal: Make Blooms Not War, Galactic Arms Race