Big Fun Trials Game Any Fun Online Games To Play?

Any fun online games to play? - big fun trials game

that the cat must have. it does not matter whether you are ready for download, but these are things that must be!
1. Chat with others
2. Should be free
3. There should be a huge download archive. (Who can not be too large)
4. Must be at least 1,000 people play so well.
5. can not be like World of Warcraft, which continues to repeat the test.

No list of games --
1. Club Penguin
2. MapleStory
3. World of Warcraft
4. RuneScape
5. millsbary
6. xivio

plz reply also try a explamation why the game is well contained.