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Sudoku Variants

Filed under: — djape

Su Doku Variations

Tridoku: triangular sudoku variant for Kindle. $1.99.
Active content game.
Jigsaw Sudoku: very twisted puzzles; for Kindle. $1.99.
Active content game.

On this page we show a variety of Sudoku puzzles on a daily basis. The focus will be on Jigsaw Sudoku Outside Sudoku and TriDoku, but there will also be consecutive, non-consecutive, odd/even, hyper, greater/less than and other Sudoku variants.

We don’t post Killer Sudoku puzzles here – there is a special Daily Killer Su Doku page dedicated for them.

Make sure to also check the Main page of this site, because that’s where occasionally other puzzles are posted: Kakuro (Cross Sums), CalcuDoku, Overlapping Sudoku, Picross (aka Hanjie, Griddlers, Nonograms).

Current puzzle: Friday, Feb 03, 2012
Difficulty: BRAIN

(click to download or right-click to save the image)
sudoku variants 20120203 3 BRAIN u38 0 0 31 0 0 0 0 3 9 justspecial either c24 snoncons 19 129 Sudoku Variants

Instructions and rules for Sudoku variants

1. All standard Sudoku rules apply.
2. If you see an “X” across the puzzle (diagonals) it means that numbers cannot be repeated on those diagonals.
3. In “Hyper Sudoku (Windoku)” puzzles, there are 4 extra “nonets”, marked in light grey. All 4 of them must also contain all numbers 1-9.
4. In Jigsaw Sudoku puzzles (aka irregular boxes/nonets), the nonets have been transformed from usual 3×3 squares to “jigsaw” nonets. The usual 3×3 boxes do not exist!
5. Jigsaw Windoku puzzles are a mixture of the two puzzle types explained above.
6. Here are the rules and instructions for Sudoku Straights puzzles.
7. Here are the rules and instructions for Outside Sudoku puzzles.
8. Difficulty levels in increasing order: EASY – COOL – THINKER – BRAIN – IQ – INSANE

Missed a puzle? Find it in the archive!

Enjoy!

15 Responses to “Sudoku Variants”

  1. Outside Sudoku « Sudoku, Kakuro, Hitori, Hanjie (griddlers), CalcuDoku, Hidoku... says:

    [...] Sudoku [...]

  2. Jigsaw+Classic Sudoku combination « Sudoku, Kakuro, Hitori, Hanjie (griddlers), CalcuDoku, Hidoku... says:

    [...] Sudoku [...]

  3. Daily Sudoku puzzles are back says:

    [...] and you can get a Hyper or Jigsaw or Consecutive or Non-consecutive sudoku puzzle every day on the Daily Sudoku page. Comments [...]

  4. Daily Consecutive/Non-consecutive puzzles says:

    [...] Variants — djape @ 8:39 pm Well, it’ time to revive the “Daily Sudoku” [...]

  5. Happy New Year! says:

    [...] will be more Jigsaw Sudoku puzzles on the Daily Sudoku page. They will be accompanied by the Sudoku Straights puzzles, which is something new, but I think [...]

  6. Introducing “Sudoku Sequences” or “Sudoku Straights” says:

    [...] UPDATE: A new “Sudoku Straights” puzzle will be shown every Friday on the Sudoku page. [...]

  7. Sudoku Straights: Where Poker meets Sudoku - 150 puzzles says:

    [...] contains Sudoku straights puzzles, which I post every Friday on the Daily Sudoku [...]

  8. Butterfly Sudoku Killer X says:

    [...] Sudoku Variants [...]

  9. Killer Butterfly says:

    [...] Sudoku Variants [...]

  10. Daily CalcuDoku puzzles says:

    [...] Daily Sudoku variation puzzles [...]

  11. Arabella says:

    I receive the emails with the puzzles. I enjoy doing them but can we have the solved puzzle also? When I am doing one I never done before it helps me to discover my mistakes when I get stuck. Thanks.

  12. Mrs Clare Munks says:

    More Tridoku please!

  13. djape says:

    Clare, I will take your suggestion into consideration and make sure that there will be more daily Tridoku puzzles in 2012! :)

  14. Rowland Jones says:

    I don’t understand what this is . . . it has 13 in it ; two ’13′s in the same line.. is it simply a mistake….HELP….and Happy New Year

  15. djape says:

    Rowland, it’s a HITORI puzzle. See the rules here: http://www.djape.net/sudoku/wp/2009/02/07/my-first-hitori-puzzle-and-a-big-one-too/

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