I would have to say Platform Racing 2. The reason is that people all around the world play the game. *The game is easy to hack :D
In my opinion, the best multiplayer game is called: Lightbike 2 (free game)
Yes, there will be a duck life 3 it will be on Kongregate and you can play multiplayer.
"run" by kongregate-best game ever made
you have to own kongregate
battlefield:bad company 2 is the best game of 2010 and the best multiplayer game
its clubpenguin it is a fun multiplayer game that is educational
Habbo.com! Better with Facebook!
Habbo.com! Better with Facebook!
Kongregate is a game website;where you can upload you're OWN games,also play other people's game's and rate them.You can chat to people who are on the same game or chat box(thing).
kongregate myspace
You can play the Bunni game on websites such as Kongregate and Bunni Bunni for free. If you place the game on Kongregate, you do not even have to sign up to the website to enjoy.
That depends on what genre your asking for.