
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. more info To get you started a simple 5minute puzzle is set up above. 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 on a box to choose it, then click a red number key to enter that number in the box. The Erase button can be used to correct mistakes as you play. Use the grey strips above each box as a notepad for typing in numbers that could be in the box just below. You can add or remove these numbers as necessary. 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, click on 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: use a cookie to remember a puzzle position for up to a week. Novice: if you are a beginner, this makes the puzzle stop any illegal entries. Click again for play where you are free to use any number. Now you’re experienced why not try the SuDokuX puzzle? Or are you ready to move up to Master Sudoku? 