This game rocks!
There is lot of things about game in online.
There is Manialink system where u can post ur track cars and etc.
There is 7 envirnoments and 7 different cars but u can download lot of cars to game too.And u can download lot of MOD-s too this game.
I say its best Trackmania series ever made.
This game is really best of the best of Trackmania series.
And this game really rocks thats why i give 10/10.
I have played a lot of this game and i am in my country somewhere is 5 place or smthng like this.
Thats good to play in online because there will be never boring,all the time new tracks.In every server.You can make yourself too tracks and upload them to TMX.U can download too other people tracks.And give them awards and comment them.There is nothing more to say so it rocks and thats all keep going and make this game better ;D
And forget to say one thing,there is project forever where people can play in TMn with TMU players in Stadium envirnoment.