The remaining fields should be filled in with numbers from 1 to 9.Įach number may occur only once per block and in each horizontal and vertical row. The more difficult the puzzle, the fewer pre-set numbers are in the solution as the default. Some of the boxes already contain numbers. This gives you 81 fields in nine rows and nine columns. Every game consists of 3x3 blocks, which in turn are divided into 3x3 boxes. Here you will find the most popular and most common version: The classic Sudoku. Meanwhile, the game has become so popular that many Sudoku variants exist. Shortly before the game's great breakthrough, at the age of 84, he succumbed to cancer and was buried in Indianapolis in 1989. Its success continues until today, though Howard Garns did not live to see this hype. Though nothing has changed in the game, Sudoku has now become a popular puzzle in Europe, especially in Germany. In took longer for the game to reach Germany and the rest of Europe. In Japan, where the game first found success, the Japanese gave it the name "Su Doku". Have you ever wondered where the game comes from and who invented it? It all started in 1979, when Howard Garns, aged 74, published Sudoku anonymously in a puzzle magazine.Īt that time the inventor called his puzzle "Number Place". Then follow the instructions.īefore you try our online Sudoku, we offer a little background knowledge for you. Right-click anywhere in the window.Ī dialog box opens in which you can select "Print". The desired Sudoku opens in a new window. The aim of the game is to fill all empty boxes with numbers from 1 to 9, so that every number in a column (vertical), and in a row (horizontally) occurs only once.Īs a service, in addition to playing Sudoku online, we enable you to print the puzzle.Ĭhoose your Sudoku, a date and a difficulty level from easy to very difficult.Ĭlick "Print". The more numbers that are given, the simpler is the solution. Some boxes are already more or less evenly pre-filled for you (2 to 5 numbers). Each block contains 9 boxes arranged in 3 rows and 3 columns. Sudoku is a logic puzzle with a basic schematic structure.Īll Sudoku-style puzzles are more or less the same, except for special games and variants (such as circle-sudoku, or the so-called "samurai-sudoku").Ī standard Sudoku puzzle consists of a grid of 9 Blocks. If you play Sudoku more often, you will quickly notice that the numbers become easier to solve. To enjoy your puzzle on your way, you can print it, or play it on your smartphone or tablet.įor this, simply navigate to in your mobile browser.ĭepending on the difficulty level and the exercise, you need between 5 and 30 minutes to solve our puzzle online.
With the ability to play Sudoku online, Tagesspiegel gives you the opportunity to take exciting breaks at the office, at home or on the road. Extreme diagonal sudoku puzzles, 4 puzzles per page.Play Sudoku online Every day new and printable.Expert diagonal sudoku puzzles, 4 puzzles per page.Hard diagonal sudoku puzzles, 4 puzzles per page.
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This website will provide you printable Diagonal Sudoku puzzles, we daily update including solutions. Printable Diagonal Sudoku puzzles (Daily update) Number 1-9 can only appear once on each diagonal line.Number 1-9 can only appear once in each group.Number 1-9 can only appear once in each row.Number 1-9 can only appear once in each column.Numbers cannot be repetitive in each row, each column, each group (3x3 grids in rough-line boxes) and two sides of each diagonal line.
The solving process of diagonal Sudoku is to fill numbers from 1-9 in 9x9 grids. It also has more requirements related to players’ observation capacities. Since diagonal Sudoku has more requirements, the solving process is more challenging and interesting. Numbers on two sides of diagonal lines have to be numbers from 1-9 and cannot be repeated. Based on standard Sudoku, diagonal Sudoku has more requirements. X Sudoku is also referred to diagonal Sudoku.