The Daily Killer Sudoku Puzzle
#6246, April 30
Difficulty level: Moderate
Please click on NEW to get todays puzzle! (Midnight is EST (GMT-5))
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All-Access Supporters
can play all four grades
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Check out the new colour options - change to a black and white board.
Prefill notes and Auto Clear
- Prefill will place 1 to 9 in any empty cell. Useful at the start of play of you prefer to
remove candidates rather than add them. Optional to use.
- Auto Clear will remove notes when you place a solution in a cell or when turned on for the first time.
You can toggle on and off if you want a temporary clear-off. Optional to use.
- Good idea or bad? Let me know andrew@str8ts.com
Keyboard instructions:
- You can now navigate with the arrow keys
- 0, Del or Backspace will delete all notes
- N or space = Toggle Notes. On a single 'note' will toggle that number large
- Buttons with an underscore mean keyboard activation with that letter
- CRTL+z = undo, CTRL+y = redo
- Popups can be dismissed with 'Enter'. 'Escape' for cancel
Mondays are Gentle
Tuesdays are Gentle
Wednesdays are Moderate - Today!
Thursdays are Moderate
Fridays are Tough
Saturdays are Diabolical!
Sundays are Diabolical!
A list of
Cage Combinations is available, and
you should also be aware of the
Killer Cage Convention.
How to play Killer Sudoku
Killer is based on Sudoku, so ultimately you need to place the numbers 1 to 9 on all the cell so that 1 to 9 is unique
in every row, column and box. However, you will have few, if any, completed cells in Killer. Instead, groups of
cells form blocks or 'cages' - and the clue is the sum of the solutions to those squares. Each 'cage' is shown by
a color or dashed line. A clue of '3' in a two-cell cage means those cells will contain 1 and 2 - but it won't be
obvious which way round at the start of the puzzle.
Combinations are key to this puzzle at the outset, but all Sudoku strategies still apply. For more information take
a look at these pages:
Cell Combinations,
Innies and Outies and
Cage Splitting.
Stuck? You can view the Daily Killer in the new
Solver.
