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Killer Sudoku with all operators in TwoDoku format

By djape | Published: February 2, 2010

I don’t think I’ve ever posted a puzzle like this one. Yes it is essentially a Killer puzzle. Yes, it’s also an overlapping sudoku puzzle, Gattai-2 (TwoDoku). But it also has some similarity with Calcudoku puzzles, because you must use all four operators (+, -, *, /). Killer TwoDoku with all ops for Tuesday, February 2, 2010 – Difficulty: BRAIN.

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killer sudoku books

To see the solution to this puzzle click here

This entry was posted in Free sample puzzles, Killer Sudoku, Puzzle variants and tagged BRAIN, calcudoku, gattai, killer, killer sudoku, OPERATORS, overlapping sudoku, twodoku. Bookmark the permalink. Post a comment or leave a trackback: Trackback URL.

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2 Comments

Scott Urman

Posted February 2, 2010 at 9:52 pm | Permalink

Neat! Keep the variations coming! (All of these will just have to delay my finishing the puzzles in the books…) 😉

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Anne Powell

Posted February 3, 2010 at 8:26 pm | Permalink

More please – that was great!

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