[H] 4 TF2 ref [W] Bundle keys / Inside / Offers

Hi! I've got 4 refined metal from TF2 and I'm looking for spares from current or old bundles which I may have missed. Feel free to offer anything! Here's a list of games I might be willing to accept depending on your offer:

• Nexus - The Jupiter Incident

• Syder Arcade

• KnightShift

• Mutant Mudds Deluxe

• Puzzle Kingdoms

• The Void

• A Walk in the Dark

• Lunar Flight

• Signal Ops

• Two Worlds II: Castle Defense

• Bad Bots

• Wake

• Lunnye Devitsy

• Gravi