Puzzle
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SuDoku
(originally Number Place) is a logic game which is very popular in Japan and became a newspaper craze in the UK in 2004/2005. To start, here is a simple 5-minute puzzle.How to Play
The puzzle is to complete the 9 x 9 grid of boxes by putting in numbers 1 to 9 with each number appearing only once in each row, each column and in each 3 x 3 box. You need to use logic not maths. to solve the puzzle. Click or tap on a box to choose it, then on a red number key to enter that number in the box. The Erase button can be used to correct mistakes as you go.Puzzle: sets up three puzzles, number 1 is average (around 20mins), 2 and 3 are hard (up to 40 mins each)
Random: sets up a completely random new puzzle
Clear: clears the board so that you can enter a puzzle taken from elsewhere. When a puzzle setup is complete, use Lock to fix the numbers on the board. Note: It is difficult to make up a new puzzle as there should be just one answer
Lock: locks all numbers on the board (colour turns from red to black)
Unlock: unlocks all numbers on the board (colour turns from black to red)
Restart: resets the board to the start layout or to a later locked position
Hint: highlights a cell worth studying!
Solve: displays the solution in case a puzzle really defeats you! A last resort.
Save and Retrieve: uses a cookie to remember a puzzle position for up to a week.
Novice: if you are a beginner, this makes the puzzle stop any wrong entries. Tap the button again for play where you are free to use any number.
Now you’re experienced why not try the SuDoku-X puzzle?
Or are you ready to move up to Master Sudoku?
