Today we released an update that should improve the overall feeling of the game. The main new feature is the ambient music.
Here is the list of the changes:

• Ambient soundtracks were added
  
• Increased the light around the player
  
• Increased the lights into some cave sections
  
• Some river level design parts were improved
  
• There is less fog in high settings
  
• The stability of the river crates has been increased
  
• Fixed a sound issue with the starting elevator
  

Enjoy !