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Many people incorrectly spell Sudoku as "Suduko" or "Sudoko". The correct English spelling is Sudoku - which means "single number" in Japanese
Suduko Review   >   Playing Sudoku   >   Variants   >   1  2  3  4  5  6  7
Related Pages:
1: Sudoku Variants

2: Different Symbols

3: Different Grid Sizes/Shapes

4: Sudoku X

5: Samurai Sudoku

6: Killer Sudoku

7: Multiplayer Sudoku

Standard Sudoku puzzles use the numbers 1 to 9. However, there isn't any particular significance to the numbers, other than that each number can be readily distinguished from the others.

Thus, Sudokus can be devised using any set of nine distinguishable symbols - for example, the letters A through I, or nine different colors, or nine different animal pictures, etc.

Using pictures/symbols/colors/letters instead of numbers for the contents of the cells, merely affects the visual appearance, but doesn't actually alter the underlying puzzle at all. What's more, if you're using pen-and-paper, it's usually more awkward to try to draw in strange symbols (not to mention colors) than simply using the numbers.

For kids however, visual appearances can matter immensely. For example, Do You Sudoku? for Kids uses animals instead of numbers (as well as using a smaller grid size) - which the kid fills in by applying colorful stickers.

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Do You Sudoku? for Kids

Do You Sudoku? Card Game for KidsClick here for details
The number puzzle that's been rocketed to a worldwide craze now comes in a form great for younger minds! Do You Sudoku? For kids uses six animal symbols on a grid composed of six 3x2 boxes. Great for discovering patterns and developing logical thinking skills! Ages 6 and up.

Click here for full description

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