First update in years!
Version 1.1.1 of Sliding Rails is now live.

Changes:

• Windowed mode added
  
• Whistle speed increased
  
• BGM updated
  
• Exit game button added
  

I understand music is a matter of taste, so feel free to share your thoughts in reviews or on the community board.
If I receive feedback, I'll do our best to improve it.

Thank you for continuing to support Sliding Rails!