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Traditional Sumo

Auto-fill in obvious numbers

Disallow incorrect moves

←, →, ↑, ↓, right-click = move

n, double-click = set cell to n

space, del = unset a number

-n = eliminate n as a candidate

+n = add n as a candidate

shift-n = highlight candidate n

F = set cell to highlight num

U = undo last move

Colors... = move= set cell to n= unset a number= eliminate n as a candidate= add n as a candidate= highlight candidate n= set cell to highlight num= undo last moveColors...

Highlight Candidates 1 2 3 4 5 6 7 8 9 Smart Hints Do I need a Smart Hint? Do I need a Smart Hint?

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About Sudoku Slam

Site design, code, puzzles all © 2006 AJ Shankar and Bill McCloskey.



Thanks to all the Slammers who submitted feedback to suggest new features, expose and eliminate bugs, and broaden the site's useability.



Thanks especially to the Slammers who have donated money to keep the site running. We're still in the hole but your contributions have definitely helped out.



Icons from the Tango Icon Gallery. Thanks, Tango.



JSO thanks to



Favicon created by Matthew Sanchez.



If you'd like to syndicate puzzles, the solver, or have any other "meta"-questions, email us at Site design, code, puzzles all © 2006 AJ Shankar and Bill McCloskey.Thanks to all the Slammers who submitted feedback to suggest new features, expose and eliminate bugs, and broaden the site's useability.Thanks especially to the Slammers who have donated money to keep the site running. We're still in the hole but your contributions have definitely helped out.Icons from the Tango Icon Gallery. Thanks, Tango.JSO thanks to Shane Ng 's great tool.Favicon created by Matthew Sanchez.If you'd like to syndicate puzzles, the solver, or have any other "meta"-questions, email us at sumo@sudokuslam.com

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Sumo is the big dude in our logo. Sudoku Slam could also be called Sodoku Slam, or Sumo Sudoku Slam, or even Su-doku Slam. It's a great free sudoku site that lets you play sudoku online. Most importantly, we have a sudoku primer: Sudoku hints

Use Sudoku Slam Offline You can use Sudoku Slam offline by downloading puzzles to your computer that you can continue to play once your browser loses internet access. Enter the number of puzzles of each difficulty level to download below. Easy Medium Hard Bodyslam Piledriver



Note: In offline mode, many advanced smart hints and saving/loading puzzles will not work. Also, if you close the browser window, all downloaded puzzles will be lost!

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