Colorku MOR40148 the Sudoku Board Game that Uses Colour Instead of Numbers. 100+ Puzzle Cards & Storage Tray

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In this classic sudoku grid, your challenge is to get one of each color in every row, column, AND 4×4 box. Game Piece: Pom poms, magnets, Lego duplos, or bottle tops painted in those colors could also be substituted.

You must fill in the symbols 1 through 9, so that each row, column and nonet contains every symbol exactly once. You can also choose letters or colors instead of digits and you can change board size. Another option is to restrict diagonals, too. More difficult is "Killer Sudoku" (SumDoKu, Samunamupure) - the board is divided into groups which have certain sums. Other interesting variants are Greater Than, Consecutive, Odd/Even, Samurai. This program can create PDF.

Sudoku puzzles, in spite of their Japanese sounding name, was originally developed for publication in French newspapers in the late 19th century as a variation of more common magic number puzzles. The puzzle was refined and took its modern form in the United States in the later part of the 20th century, and became a world-wide phenomena after computer generated Sudoku puzzles became common around 2004.

Diagonal lines don't count - you need to pay attention only to the 3x3 squares, the horizontal rows and the vertical columns.Portal is amazing logical game made by Valve. Players can use game editor to create custom maps. I've made these two maps: Advanced Turrets 1, Advanced Turrets 2. Of course, the game isn't always so simple! You will have to look laterally, comparing columns, squares and rows as you go. It's a good idea to work by process of elimination. A single green cell means that you can eliminate green as a possibility from all the cells in that column, row and square. Now look for other colors that can be eliminated, and you might find that you're left with only one choice. ALL notes": tap the "All notes" button on to show all the possible answers for each square. Tap the "All notes" button off to remove the notes. There are many more complex strategies for eliminating potential numbers, but most strategies rely on these simple means of exclusion and thinking one or two steps ahead in the search to see if the solution fits. This slightly non-deterministic approach to problem solving is one of the characteristics of sudoku puzzles that makes solving them so addictive. History of Sudoku Look in particular for columns or rows with only two empty cells, and therefore two-color options. You may be able to eliminate one possibility based on interactions with intersecting lines and squares, making the solution clear.

First, look for cells in which only one color can fit. You have nine colors: brown, white, green, blue, pink, yellow, red, grey and purple. So if one square contains eight of those colors, it is easy to identify which ball should go in the final cell.

Tips and Tricks

Experience the fun twist of traditional Sudoku in Color Sudoku. This enticing game swaps numbers for colors, challenging your deduction skills and spatial reasoning. Played on a 9x9 grid divided into 3x3 sub-grids, each column, row and sub-grid needs all nine colors exactly once. Color Sudoku delivers an engaging and visually stimulating puzzle-solving experience that gets your cognitive gears turning! How to Play Playing Sudoku can help improve your memory, logic and concentration. Amazingly, it also reduces your chances of developing Alzheimers as you grow older. Keeping an active brain is essential, and this is a great way to achieve that. Plus, Sudoku can make you feel happy! What more reasons do you need?