ManiaDrive is a free clone of Trackmania, the great game from Nadéo studio, and is an arcade car game on acrobatic tracks, with a quick and nervous gameplay (tracks almost never exceed one minute), and features a network mode, as the original.

Also features:

• Complex car physics
• Challenging "story mode"
• LAN and Internet mode
• Live scores
• Track editor
• Dedicated server with HTTP interface
• More than 30 blocks - Full soundtrack

For those interested in porting it, game and source can be found here:
http://maniadrive.raydium.org/index.php?downloads=yes

Thanks for your interest