Accelerator
 

http://www.kongregate.com/games/TenebrousP/accelerator

My best is 977. Curious to see how those with PC FPS experience fair and what sensitivity level you prefer (in the options).

Hate those turns.

EDIT: Oh, and it requires http://unity3d.com/webplayer/ . Not sure how common it is or if you would have downloaded already if don't play many browser games.