• Show timer Shows the elapsed time for the current puzzle.
  • Compact controls Hides the captions of the control buttons saving space on the screen.
  • Show board coordinates Helps for better reference when discussing a move or asking for help.
  • Show Pointer Shows a pointer helper. Useful for bigger puzzles on touch screens.
  • Left handed Switches the pointer direction.
  • Auto cross the sides of completed numbers Places x in the neighbor cells of completed numbers.
  • Gray out completed numbers Marks in gray completed clues.
  • Highlight wrong numbers Marks in red numbers with wrong amount of lights.
  • Blue light Iluminates the cells with blue light for better contrast.
  • Highlight last change Makes your last move more visible.