This is the Free Online Sudoku number puzzle. Click START GAME to begin. To start over or load a new Sudoku game click here. The aim of this Sudoku puzzle game is to enter a numeral from 1 through 9 in each WHITE cell of a grid, starting with various numbers provided in some cells. Each row, column and region must contain only one instance of each numeral. Click white squares in the games grid with your mouse to change the number shown, you can go back and change it later. Completing the puzzle requires patience and logic. This game requires a browser that supports Flash.
Click on START GAME in the game area to begin the game. Then select the game difficulty level, ranging from Very Easy to Very Hard puzzle levels (game levels 1 through 25). Some digits are already provided in the game grid, you can only click on the white squares to increment the number shown within that square. Each individual digit can only appear once within each game segment within the game grid; for example each horizontal line, each vertical line, and each puzzle block of 3x3 squares marked by bold lines within the game grid.
Sudoku, also known as Number Place or Nanpure, is a logic-based numeric placement puzzle. The correct spelling for this puzzle game is SUDOKU, not Soduko which is a common mis-spelling for this popular game. The name "Sudoku" is the Japanese abbreviation of a longer phrase, "Suji wa dokushin ni kagiru", meaning "the digits must occur only once". Other Japanese publishers refer to the puzzle as Number Place, the original US title, or as "Nanpure" for short. Some non-Japanese publishers spell the title as "Su Doku". The attraction of the Sudoku puzzle is that the rules are simple, yet the line of reasoning required to solve the puzzle is complex.
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