We love building and racing tracks on this game ( http://trackmaniaforever.com/ ) there is a new version of this game (TrackMania), but currently we are still sticking to TM nations forever for playing together as it runs on any windows PC.
You can download the free version here
Why not customise your car?!
Then make your own tracks!
Join our server on Mondays 4pm in lockdown.
You need to do a little trick to allow to join our server,
1) Open a new chrome window
2) Set the address to tmtp://#addfavourite=impactgamersserver