PolyRace is now available on Steam, offering a futuristic racing game for Windows, OS X, and Linux. Here's word on the game and its procedural level generation:

Description
PolyRace is a fast-paced futuristic racing game with a procedural level generator. Choose between 4 different hovercrafts with each of them having its own physic properties and a unique sci-fi hull. Run on generated terrains shaped with valleys, hills and mountains, mixing long straight lines and narrow curves while paying attention to your shield.

Features

• Hurtle through randomized tracks (using procedural algorithm) with four difficulty levels and three landscape environment: desert, continental, arctic.
• Challenge your friends in a turn by turn multiplayer and race against your opponent’s ghost.
• Which kind of racer are you: a Time Attack girl, Distance type of guy or an endless person?
• Race against the developer’s ghost in the Missions, and challenge the rest of the world in the Race of the Day.
• Choose between four hovercrafts with their own physics.
• Playable on keyboard and gamepad with insanely fast-paced music.