As of 27/04/2012 there are 540 items in team Fortress 2.
2 (blu and red)
blue
You don't. Items created in the Workshop for Team Fortress 2 are added as either random drops in-game or as purchasable items in the Mann Co. store.
Yes, as long as you are in-game, you are able to find items.
Sorry for such a short answer. No, you may not.
There is currently a total of 235 hats (excluding the 124 Miscellaneous items) in TF2.
no
that was a gift provided by Valve that contains multiple items.
The paint can is a tool in the video game Team Fortress 2 that allows players to change the coloring of hats and miscellaneous items. Paint cans are available in 29 colors.
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
Valve items are primarily only given to Valve Staff, although these items can be traded, it is very rare that they are.
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.