A large update has been released for Audiosurf via steam, offering fixes for a large number of bugs along with performance tweaks.

Audiosurf

• Added separate volume controls for menu music, game music, and sound effects
  
• Added new Mono Pro vehicle with jump fins (was in previous update)
  
• Play Double Vision with X360 controller and Mouse (or X360 controller only)
  
• Added "resend score" button in the event of a timeout
  
• Increased score submitting timeout duration to 22 seconds
  
• "Sharp corners" tweak now applies to ironmode only
  
• Added photosensitive seizure warning
  
• Added crypt.dll to the engine folder (bugfix)
  
• Fixed Butter Ninja exploit
  
• Fixed stone block exploit
  
• Increased rendering speed of achievements panel
  
• Typo corrections
  
• Expanded Audiosurf Radio browser to 9 song maximum
  
• Options: "X" replaced with "OK"
  
• Options: custom color sliders now have a color (r/g/b)
  
• Fixed various missing text problems with newer ATI drivers
  
• Fixed "Recently Played Songs" not saving between game sessions