An unusual item is an item that has an "unusual" status. It's name is always purple, and the item itself will have a particle effect around it. They are considered extremely valuable and can only be obtained naturally through crates.
Unusual metal + 2 refined + skullcutter
It is a random item drop
Unusual hats in Team Fortress 2 worth a lot because they are unique and different, hence unusual. Not a lot of TF2 users would have them and that is what makes those hats stand out from the rest, and as a result, they are worth quite a lot.
Trade them.
Yes, you can receive hats from The Item Drop System.
no
I am having the same problem, have you fixed it yet?
Through the item drop system, achievement milestones, crafting or trading.
none specifically. Team Fortress 2 does NOT give you a virus.
Team Fortress 2 was initially a Quake Mod (Team Fortress), for Capture the Flag and Team Deathmatch
Team Fortress 2 is the sequel to the video game Team Fortress. There are similar characters and missions in both games, but the main differences are the new maps and new statistics capability in Team Fortress 2.
Team Fortress Classic and Team Fortress 2 is developed by Valve Inc.