This major update has added new puzzle sizes, players will face richer levels, and at the same time, there will be greater challenges.
The newly added digital hint color function, these colors can better help players to complete the puzzle, making the puzzle no longer difficult.

Players can freely set the switches of some game functions.
Autofill: Automatically remove empty rows (columns) and automatically fill full rows (columns)
Hint Colors: Displays completed, speculative, and error number color displays

• Added 15x15 puzzle size
  
• Added 25 new levels
  5 10x10
  20 15x15
  
• Added digital prompt color function
  
• Add setting options
  Autofill switch
  Hint color switch
  
• Fix the problem that the mesh thickness is not obvious enough
  
• Adjusted the level order according to the difficulty of the puzzle