Which is the best online game?

In my opinion there isn't a "best" online game as new ones are always coming out and your view on online games change from time to time. Personally, though, for me, not the best but ONE of the best online games that I have ever played has to be World of Warcraft. The first time I played it, I simply fell in love with it and I soon got addicted to it. Until this day, WoW still hangs in my top list of best online games.

My favorite online game that's not an RPG is currently Team Fortress 2, it's just awesome.

Well what cna it be other than CS, man the game is rocking, nathing could be better than it. IT's the most happening game over the net.People prefer it, because its quite realistic. Involvement of teamwork makes it more interesting. I guess dust and aztec are the most preferable maps. What you guys think??

My favorite right now is Call of Duty. I think Modern Warefare was better than World at War, but I still play them both online. They are good first person shooters and have several games to play and people online to play against.

I don't really have a favourite online game, but I like puzzle games, strategy games, hidden object games, room escape games, restaurant games and music games like Guitar geek. I just started playing it and I am not very good at it, but it is addictive and I think it is lot of fun. One of the strategy games that I like lot a Cookie Rookie, and I have played that game many times already. I also enjoy the hidden object games from Big fish games and I have played quite a lot of those games. Some of them are pretty challenging, but I think that they are fun to play.