Re-Volt is an RC-Car racing game from Acclaim, released in 1999.
To this day, new tracks and cars are still being created. Online Races are held regularly as well.
If you already own the game, a modern patch for the game is provided on rv12.revoltzone.net/rvgl.php.
You can also download the full version of the game (including patches) on this website.
Screenshots of RVGL with Dreamcast and user-made content.