Daily Sudoku

Solve a random Easy - Medium - Hard Japanese-type logic puzzle chosen from today's collection.

December 7, 2018 - Super Hard © Kevin Stone

Auto-pencil marks  Show a pinned square Show squares with a... 1 .2 ...3 ....4 .....5 ......6 .......7 ........8 .........9 Clear... Show errors in red Show duplicates Alternative highlights Warn when leaving page Pencil Marks: Simply enter multiple digits. [Show Potential Techniques] Techniques Potentially Required:   Intersections   Forced Moves   Pinned Squares   Intersection Removal   X-Wing   BUG Removal [Hide]   [Show Clock]

Today's Sudoku Puzzles

Very Easy
Easy
Medium
Hard
Very Hard
Super Hard

All daily items change at midnight GMT (it is now 03:46 GMT). Change.

Notes

• Help
  Read the help page on Sudoku puzzles for a more detailed explanation.
  
  
• Keyboard Usage [only when your cursor is in the grid]
  Note: not all options work on all browsers.
  Ctrl + Arrows = move around the grid.
  a = auto-pencil marks.
  p = show a pinned square.
  Shift + # = show squares with a <#>.
  
  
• Uniqueness
  Each puzzle has exactly one solution, which can be found using logic alone and no guesses are ever required. If you think you've found another solution, then please double check the rules.
  
  

Print Sudoku

Unique Reference = [Sudoku-20181207-SuperHard-247586]