Printable online sudoku puzzles how to#

These puzzles do not require more than one hypothesis by multiple choice.īy hypothesis we mean a supposition about the solution of a square in the absence of any logical reasoning.įor more information see: Main Menu General help.

Puzzles ' Expert' are solvable by ' Inclusion', ' Exclusion, ' Pairs exclusive' and ' Multiple choice'.Also print the solutions or find them online (to save paper). Visit the archive for previous daily puzzles and solutions. Print free 9x9 sudoku puzzles, in PDF or HTML and in five difficulty levels: easy, medium, hard, expert and demonic. Puzzles ' Confirmed' are fully resolvable by ' Inclusion' and ' Exclusion' while admitting other methods. Click the grid to download a printable version of the puzzle.Puzzles ' Beginner' are fully resolvable by ' Inclusion' while while admitting other methods.Hexadoku printingįor maximum clarity and standardization, all our puzzles are printed in black and white, without shades of gray, color or images. Instead of using only the digits 1 to 9, the hexadoku sudoku uses the 16 digits of the hexadecimal base:Ġ, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F. The solving techniques are the same as for the 9x9 sudoku. The same digit can be used only once in each separate column, each line and in each small square. The numbers are placed in 9 squares, 3x3 each, thus, in each row, in each column and in each small square there are 9 cells.

Printable online sudoku puzzles how to#

Do you know the sudokus They are very popular logic games. How to play beginner Sudoku puzzles The goal of Sudoku is to fill the cells with numbers from 1 to 9. Javascript is required to choose and print our hexadoku, 16x16 sudoku puzzles. Since 2005 the best daily sudokus to print, download and play online.