http://www.gunshootinggames.net/ is a great website if you're looking for shooting games! It boasts hundreds of games, keeping you entertained and having fun for the long run
You're probably looking for Counterstrike
Yes in my opinion its it the best shooting online game !! :D
no where
SOCOM
oram
Blur is good at it.
swat.com
This game is hella good: http://mrsjoeajonas.mybrute.com
The Blackgunners
Find the Sims online somewhere... or buy the game.
Twilight Wars is a multiplayer online combat shooting game which interweaves countless epic battles. Uber Strike is where Players must handicap as many opponents as possible in an intense shooting competition.
Left 4 Dead is quite a good game if you like shooting zombies in an online mmo style. But, if you already have left 4 dead, you should get left 4 dead 2.