November puzzle packs Now Out!. A Sudoku whose regions are not (necessarily) square or rectangular is known as a Jigsaw Sudoku. Table Of Contents. These rules are very similar to the normal Sudoku rules, but where in a normal Sudoku puzzle each region is a 3x3 square, they can be any shape in a Jigsaw Sudoku puzzle. Contests and championships; Discord puzzles; Puzzle sources. Invented under various names in France in the 1800s, Sudoku puzzles reached a wider audience in the 1980s once Japanese puzzle company. Freedoku - Free online sudoku. Sudoku is played on a grid of 9 x 9 spaces. Alice in Wonderland Jigsaw Puzz. From PCGamingWiki, the wiki about fixing PC games Microsoft Sudoku; Developers. Welcome to the Daily Jigsaw Sudoku Puzzle. How to play. Free daily printable sudoku puzzles - plus an archive, jigsaw sudoku and the Sunday Su Dozen;All content © The Daily Sudoku Ltd 2005-2018. In the 18th century, jigsaw puzzles were created by painting a picture. Tents is a logic puzzle with simple rules and challenging solutions. 3 x 11 inches. Jigsaw Sudoku is also known as Irregular Sudoku. Free sudoku printable pdfPrintable jigsaw sudoku pdf Sudoku printable easy seniors 6x6 rtrs puzzles hard searches printablesudokufreeSudoku printable hard per puzzles printabler card puzzle template board place very kids challenging choose worksheets pejuang dash. Art Puzzle - Jigsaw Art Games. Jigsaw Sudoku puzzles on puzzlemix appear at a wide range of sizes and difficulties. The World's Hardest Sudoku. Each column must contain. The total for the top-left quadrant is 23, and the total for the blue cells is 14. Many puzzle games involve a real-time element and require quick thinking, such as Tetris (1985) and. No 5337, Diabolical. Players should need to use the scissors as part of a future clue, and the combination or key to open the padlock should be part of a preceding clue. This particular puzzle has a 3x3 square in the. The standard sudoku rules apply to each 9 x 9 grid. Enter numbers in the squares so that each row, column and box contains all the numbers 1 to 9. How to play mahjong. Any cells that are reduced to one possible candidate are solved. If any one number occurs twice or three times in just one unit (any row, column or box) then we can remove that number from the intersection of another unit. Samurai Sudoku. Goal: a Sudoku. Each row, column and square (9 spaces each) needs to be filled out with the numbers 1-9, without repeating any numbers within the row, column or square. Keep track of your progress and stats. org is a relatively well-visited web project, safe. A puzzle box is always scrambled 101 times before being handed to the. Start with your first free puzzle today and challenge yourself with a new crossword daily!Daily Jigsaw Sudoku Competition for Nov 19 . Travel Themed City Puzzle and Scenery Puzzle Ideas. Jigsaw Sudoku is available offline. There are four types of intersection: A Pair or Triple in a box - if they are aligned on a row, n can be removed from the rest of the row. If a tile is locked from both left and right sides you can't remove it. 3. Join AARP. Giant 16x16 Sudoku, Paperback by Puzzle Madness (COR), Like New Used, Free sh. The game starts with a number of fields pre-filled. No ads. [2] Getting Started. He has published a book on the Logic of Sudoku and supports seven highly acclaimed step-by-step solvers. The grid is divided into nine 3 x 3 sub-grids or regions, and each of the digits from 1 to 9 must appear once in each row, column, and sub-grid. All cages must add up to 405. Some strategies cannot be used (see below) but there is one important addition: The Law of Leftovers. S. Have fun and start playing today!Click on Take Step to step through the solution. Innies and outies. A puzzle is a game, problem, or toy that tests a person's ingenuity or knowledge. 台灣數獨發展協會（Taiwan Sudoku Association，簡稱TSA）亦為世界解謎聯盟會員。香港則是由《am730》於2005年7月30日創刊時引入數獨。中国大陆是在2007年2月28日正式引入数独。北京晚报智力休闲数独俱乐部（数独联盟前身）在新闻大厦举行加入世界谜题联合会的. Unknown squares are filled with 'candidates' - possible solutions. Indicates cells values one by one (it is also possible to make a copy-paste with space as empty cell) as in a classic sudoku . Look for a pair of matching tiles and click both to remove it. Jigsaw diagonal Sudoku puzzles on Sudoku. It is another type of standard Sudoku. row, column and box. As an example, a cage of 2 cells with a sum of 3 has only one possible combination: 1 or 2. Link the Dots: Weekend Sudoku 31: Impostor Crash: Red Rope: Dicez: Fun Learning For Kids: Laser. 3) Long press in Favourites allows deletion of that puzzle. Just place the digits from 1 to 9 in each empty cell. Wikipedia entry on Killer Sudoku; Killer. Sausage Dog: Squid Game Jigsaw Puzzle: Send Ball:. Best of luck! v2. Intermediate Jigsaw Sudoku, Volume 1. This particular puzzle has a 3x3 square in the. 7 out of 5 stars 36Jigidi is a community that runs on curiousity, creativity and kindness, and we have guidelines we steer by. Microsoft Sudoku - Games on Microsoft Start. Number 1-9 can only appear once in each column. 💪 Every puzzle will be pre-loaded with numbers in random manner with an empty image. To enter notes simply. In each respective case you must place 1-6, 1-8, 1-9 or 1-12 once each into every row, column and bold-lined jigsaw shape. Each puzzle consists of a 9x9 grid containing numbers in various squares. Games in the DS Puzzle Series are: Vol. Towers. Samurai sudoku puzzles consist of five overlapping sudoku grids. We also have a great no-cost solution for any community newsletter, magazine, school or collage newspaper: Print ready Str8ts and/or Sudoku files in PDF format - simply. Explore various sudoku puzzles and put your logical skills to the test. Download our Sudoku puzzle solver for a free 23 day trial. 2. The level of difficulty depends on how many digits are. Code Issues Pull requests Sudoku Game In Java. Quick help: Using this Solver. As part of the Embracer Group, Easybrain continues to develop strong mobile game titles and strive towards new achievements. Sign in to add files to this folder. com, an ever-growing collection of free online jigsaw puzzles. contains all the. We keep it simple and exciting, crafting addictive games that promise long-lasting fun and stimulation for our players. The Sudoku, Sudoku X and Jigsaw are compatible with my Step-by-Step solvers. This particular puzzle has a 3x3 square in the middle, but all the other regions are a non-square shape. [ 6] It became an international hit in 2005. Here is a minimal spread of a particular candidate X - a 2-2-2-2 formation. Unlimited puzzles, hints & reveals. The rules of Jigsaw Sudoku are, Each row must contain the numbers 1-9 once, and only once. The Colour Sudoku Solver. Each row, column, and 3 x 3 box must contain only one of each of the 9 digits. A grid has 9 rows, 9 columns and 9 boxes, each having 9 cells (81 total). This means that in, for example, a 9x9 puzzle you must place 1-9 once each into every bold-lined jigsaw region, as well as the rows and columns. Enter numbers in the squares so. It also includes Regular and Irregular Sudoku (Jigsaw Sudoku). I wrote the app. Welcome to the Daily Jigsaw Sudoku Competition. Put your Sudoku skills to the test with Jigsaw Sudoku! This variant requires you to fill every row, column, and irregularly shaped region with numbers 1-9. Click/touch the number you want to enter in to that cell. contact page. October: packs are still available Sudoku: Code: Price $ Add to Cart: Classic 9 x 9 sudoku is available in five grades. Above and below the puzzle is the number selection. connection. Like regular Sudoku puzzles, you have to complete the grid. Sudoku size can vary, although the 9 by 9 grid is by far the most widely published. Each number can only be used once in a given row or column. In all that time I think I received about £5 from the owner of the Sudoku Wiki site. It is even possible to request Extreme Sudokus with extra few starting values or an extra difficult grid. BUT, in a Jigsaw, the boxes are rather strange shapes. Your objective is to fill the rest of the fields without breaking the constraints that each. Sudoku, Nonograms, Hashi, Network, Nurikabe, Minesweeper and more!Jigsaw Sudoku. The Daily Jigsaw starts at a moderate level on Monday and the difficulty level will increase till Sunday, when the real challenges are waiting for you. X-Cycles. 10 best printable sudoku puzzles to print. The original design and puzzle format was also created by Jai. Jigsaw Sudoku Settings. You can enter a new Killer puzzle using the new 'designer' - click on " Enter new Killer ". Jigsaw Puzzles - puzzle games. Offers online game on 5 difficulty levels, changeable skins. The first is a '2-Wing'. Cách giải của bảng trên. Daily picture of British countryside. Jigsaw sudoku. A candidate can either be ON or OFF. The rules are simple. Star Battle (published in The New York Times as "Two Not Touch") first appeared at the 2003 World Puzzle Championship in the Netherlands, the creation of prolific puzzle person Hns Eendebak. | . We would like to show you a description here but the site won’t allow us. Jigsaw Puzzles. This page also contains help and preferences. 1: JIGSAWPUZZLE, released March 23, 2006 in Japan [1] Vol. There are solvers for Sudoku, Jigsaw Sudoku, Windoku Sudoku, Sudoku X, Killer Sudoku, Colour Sudoku, KenKen and KenDoku and extensive strategy documentation. here applies to Sudoku boards of all sizes. The only difference between Sudoku and Jigsawpuzzles is that the 3x3 squares are no longersquares; instead they are irregularly shaped, like pieces of a jigsaw puzzle. Try this favorite jigsaw puzzle Friday Mystery Puzzle. by Andrew Stuart. Daily picture of British countryside. 4. Additionally, each digit appears exactly once in each of the two main diagonals and the grey squares in the grid must contain odd digits. The rules that you use in standard sudoku certainly apply, that there is 1 - 9 once in each row, column and in this case irregular shaped thick lined set of nine cells. Sample puzzles can beSudoku Classic Puzzle Game is adfree number game to sharpen your mind. To achieve one guardian there must be four perfect pairs and one Imperfect. Jigsaw Sudoku Puzzle Book is a collection of 500 Jigsaw sudoku puzzles. Accordingly, this paper. Sudoku For Kids. Button: Solve Cell. This is an example of a Jigsaw Sudoku. Members earn 50% more points towards AARP Rewards. He has published a book on the Logic of Sudoku and supports seven highly acclaimed step. This Jigsaw Sudoku can be completed directly on the web page - just enter numbers in the cells. I worked on it pretty much full time for about 6 months to get it out (alongside my actual full time job). It is another type of standard Sudoku. Killer Sudoku. Jigsaw Puzzles. Sudoku, Nonograms, Hashi, Network, Nurikabe, Minesweeper and more!Jigsaw Sudoku. No files in this folder. O Sudoku. 2. Numbers on each diagonal line cannot be repetitive. Description. Our Irregular sudoku puzzle magazine, also referred to as Jigsaw Sudoku, has 100 all new irregular sudoku puzzles for you to enjoy. A Nishio forcing chain is sometimes the exact reverse of a Digit Forcing Chain. For small. Killer Sudoku. Dưới đây là cách giải Sudoku dễ nhất. 1 kg. This free sudoku website features hundreds of Easy Sudoku puzzles, Medium Sudoku puzzles, Hard Sudoku puzzles, and Expert Sudoku puzzles! 24/7 Sudoku is sure to keep you playing this great sudoku game all day, every day! Sudoku is a brain challenging number game, played on a 9x9 sudoku board. The booklets are ordered by ascending difficulty -- the puzzles in book 100 are much harder than the puzzles in book 1. Millions of free jigsaw puzzles created by a large community. For all intents and purposes, the game is one of organizing numbers in their rightful place. 3: SUDOKU, released March 23, 2006 in Japan, [1] later released as Sudoku Gridmaster in North America and Sudoku Master in Europe. He serves as the main antagonist of Saw, Saw II, Saw III, and Saw IV, the overarching antagonist of Saw V, Saw VI, Saw 3D, and Jigsaw, a background antagonist of Spiral, and the main protagonist of Saw X. Advertisement. X-Wing example 1 : Load Example or : From the Start. Any cells that are reduced to one possible candidate are solved. Daily Jigsaw Sudoku - SudokuWiki . Jigsaw is a 2017 American horror film directed by the Spierig Brothers and written by Josh Stolberg and Peter Goldfinger. As part of the Embracer Group, Easybrain continues to develop strong mobile game titles and strive towards new achievements. 1 Monetization; 2 Game data. These three cells are the last remaining cells in row A which can contain 2, 5 and 6, so those numbers must go in those cells. Unknown squares are filled with 'candidates' - possible solutions. Input a puzzle, or partially completed puzzle, and click "Print" for a printable page. These rules are very similar to the normal Sudoku rules, but where in a normal Sudoku puzzle each region is a 3x3 square, they can be any shape in a Jigsaw Sudoku puzzle. The most common of the alternate names for this puzzle is Irregular Sudoku, which obviously makes sense because of the. row, column and box. My first implementation solved 51 out of 123 of. Your goal in the game is to put numbers 1 to 9 onto the blanks of the grid, such that the numbers will not be repeated in each row, each column, and each 3x3 square. Instead, groups of cells form blocks or 'cages' - and the clue is the sum of the solutions to those squares. Mathdoku. 2: CROSSWORD, released March 23, 2006 in Japan [1] Vol. This Jigsaw Sudoku Puzzle Book is a fun way for teens or adults to sharpen their minds and test their logic. The numbers are placed in 9 squares, 3x3 each, thus, in each row, in each column and in each small square there are 9 cells. Jigidi is a community that runs on curiousity, creativity and kindness, and we have guidelines we steer by. The goal of Sudoku is to fill the cells with numbers from 1 to 9. com, Nonogram. Irregular Sudoku X Jigsaw Sudoku X Chaos. F or fast, unlimited generation and solution of Sudoku puzzles download and install Sudoku Dragon. Offers online game on 5 difficulty levels, changeable skins. Sudoku printable printableeEasy printable sudoku –. Within each volume, the puzzles are also ordered by ascending difficulty. Once you remove all pairs and clear the board you solve the mahjong solitaire! rule 2. Track your best and average solve times over history with our stats tracker. Four levels from Easy to Evil. The modern puzzle was invented by an American architect, Howard Garns, in 1979 and published by Dell Magazines under the name "Numbers in Place. Different from standard Sudoku, jigsaw Sudoku uses irregular gridding groups to replace traditional 3x3 grids. Free sudoku printable pdfPrintable jigsaw sudoku pdf Sudoku printable easy seniors 6x6 rtrs puzzles hard searches printablesudokufreeSudoku printable hard per puzzles printabler card puzzle template board place very kids challenging choose worksheets pejuang dash. Weekend Sudoku 26: Cut the Cord - Piggy Bank: Mouse: Weekend Sudoku 25: Hexa Balance Tower: BallVania: TENX Wooden Number 10X Puzzle G. Samurai sudoku puzzles consist of five overlapping sudoku grids. Jigsaw puzzles became popular during the 18th and early 19th centuries in England as educational tools, particularly to teach geography. * both a square and its symmetrical square are either filled or blank. 3. The Sudoku, Sudoku X and Jigsaw are compatible with my Step-by-Step solvers. Jigsaw sudoku is a fascinating variation of the classic Sudoku puzzle that has been gaining popularity in recent years. How to play Killer Sudoku. Diagonal Odd. Jigsaw Sudoku puzzles on Sudoku. These jigsaw-regions, like the boxes, are always the same size. org. The numbers show how many mines are there in the neighbouring cells (horizontally, vertically and diagonally). With just two Zs in the pincer cells we get more cells elsewhere which could potentially contain a Z to eliminate. Play unlimited sudoku puzzles online. Backed up by online solvers and even more documentation on the biggest Sudoku site SudokuWiki. Answer: True. Sudoku. This paper seeks to define a smaller set of more generalized strategies, which make the relationship. A nonomino (or enneomino or 9-omino) is a polyomino of order 9, that is, a polygon in the plane made of 9 equal-sized squares connected edge-to-edge. Type 1 - Single Guardians. That one guardian is the cell that disrupts the 5-loop from being perfect. We remain a cottage industry when we could be so much better and do so much more. cool have seven sizes of “3x3,4x4,5x5,6x6,7x7,8x8,9x9” with ten difficulty levels. Paperback. Blockudoku® is an original combination of sudoku and block puzzle games. The difference is that instead of having 3x3 rectangular blocks these blocks have irregular shapes Hide the rules. The principle behind BUG is the observation that any Sudoku where all remaining cells contain just two candidates is fatally flawed. contains all the. A hidden pair is when you have the same two digits pencil marked in precisely two cells within the same row, column, or 3×3 block. The numbers show how many mines are there in the neighbouring cells (horizontally, vertically and diagonally). Binox. Thanks for supporting our site. cool have seven sizes of “3x3,4x4,5x5,6x6,7x7,8x8,9x9” with ten difficulty levels. com, Nonogram. Assemble the puzzle to reveal the rest of the image. These rules are very similar to the normal Sudoku rules, but where in a normal Sudoku puzzle each region is a 3x3 square, they can be any shape in a Jigsaw Sudoku puzzle. 1 2 3 4 5 6 7 8 9 SCORE: 0 Create [P]encil marks Clear Pencil Marks [X] [R]eset Puzzle [S]ave Puzzle Print version Jigsaw Sudoku leaderboard All-time leaderboard Rank. 5x5 6x6 7x7 8x8 9x9 10x10 11x11 12x12 16x16. Once you fill in the clues and set up the cages correctly it can be solved. Dimensions. Usually they are 6x6, 8x8 or 9x9, although sometimes they are 12x12. X-Sudoku. * with one and only one solution. Both these name Irregular Sudoku and Jigsaw Sudoku are used in this website for this type of puzzle. net. Choose from over 150,000 puzzles. The rules of Jigsaw Sudoku are simple: 1. Jigsaw sudokus. The goal is to fill in the rest of the grid so that each row, column, and 3x3 block contains the numbers 1 through 9 without repeating any numbers. Only then type the numbers into the small grid, use the Import button or pick an example from the example list. 4 out of 5 stars 34. Utilities. Play unlimited sudoku puzzles online. Each unit (row, column or box) must have each number exactly once. Compatible with all browsers, tablets and phones including iPhone, iPad and Android. Play members only games like Atari® 's Breakout® and Pong®. In order to use this solver you need to pick the correct grid shape from the list above. cool have seven sizes of “3x3,4x4,5x5,6x6,7x7,8x8,9x9” with ten difficulty levels. Each colour is in the same position in each 3x3 box, as you will notice with the central white cell, for example. After that you can move on to 25 medium sudoku, 25. Khalid Alzamili 4. The objective is: to complete a 9×9 grid by filling in missing digits from 1 to 9, without using the numbers more than once in each row, column and grid. Futoshiki. Sudoku wikipedia solving puzzle algorithmsPrintable sudoku Print. You have to find where the mines are. Any cells that are reduced to one possible candidate are solved. X-Cycles are the start of a large family of 'chaining strategies' which are fundamental to solving the harder Sudoku puzzles. b) A sudoku is valid if it satisfies all the following properties:Chaining strategies now take a new leap with Alternating Inference Chains. We would like to show you a description here but the site won’t allow us. In 2021 Easybrain merged with Embracer. Part of a series on. Most of the time you will have a mixture of two, three or four. | . To enter notes simply type more than one number or prefix with '0' to note one number. Each puzzle has a unique squiggly design and so they never become boring. Empty Rectangles constitute a clever but obscure strategy for Sudoku. Some cages will not be very helpful but certain combinations, such as these listed here mean that the total number of possible numbers is equal to the cage size. These PDF files include Sudoku, word search, word fill-in, and word scramble puzzles for kids. Keep going Try again . Number 6588, Diabolical by MM Multimedia. Nikoli Puzzles. Play our daily 16×16 Giant Sudoku! Thousands more printable puzzles in the archive! Register FREE. The Logic of Sudoku. AC can see AB because they share the same row. The booklets are ordered by ascending difficulty -- the puzzles in book 100 are much harder than the puzzles in book 1. Pixel Art - Color by Number. Welcome to the Daily SuDoku! Today's SuDoku is shown on the right. Basierend auf dem normalen Jigsaw Sudoku bzw. Each sub-region must contain the numbers 1-9 once, and only once. There are 20 Jigsaw shapes as used on and four interesting examples for each shape, 80 examples in total. Loops and sockets. Click on any candidate in the board. Notes Appearance Clear the Grid Toggle Draggable Digits. 2. 8. Sudoku 6x6. There will always be 9 squares, but they could be any shape. On this page is a listing of all the online games and puzzles available for you to play and enjoy. Jigsaw Sudoku is a fun variant on the sudoku theme, that provides a fun change to the standard sudoku puzzle. It is another type of standard Sudoku. e. View Paper Numerous strategies exist for solving Sudoku puzzles, often given evocative names such as “X-wing” and “Swordfish”. Here are hundreds of free Star Battle puzzles suitable for printing. Thermo Sudoku; CTC Fan Discord; CTC Catalogue; Resources & Utilities. Use the "Import a Sudoku" button or type in a Sudoku puzzle in the small board. 6 out of 5 stars 51. If you look at the first diagram on that page you'll notice the first 'type' in the set of four ways a contradiction can be found is a destination candidiate that is ON when the start candidate is both ON and OFF. Four levels from Easy to Evil. Like traditional Sudoku, the goal of Jigsaw Sudoku is to fill a grid with numbers so that each row, column, and region contains every digit from 1 to 9. LEGO Architecture Skylines New York Puzzle. [2]Getting Started. e. Active Page 1. Comments, questions, problems?Play unlimited sudoku puzzles online. Install Jigsaw Sudoku app to start now! This sudoku app has 12000+ number puzzles and comes in 5 difficulty levels: fast, easy, medium sudoku, hard and expert one! Play easy sudoku and medium sudoku levels to exercise your brain. In classic Sudoku, the. I'm curious why the Unique Rectangle strategy isn't included in the Jigsaw Sudoku solver. This Jigsaw Sudoku can be completed directly on the web page - just enter numbers in the cells. Use 3D chains. As a logic puzzle, Sudoku is also an excellent brain game. Jigsaw Sudoku Rules. com finden Sie Jigsaw-Diagonal-Sudoku in sieben verschiedenen Größen von 4x4, 5x5, 6x6, 7x7, 8x8 bis 9x9 und zehn Schwierigkeitsgraden. Click on each cell with your mouse and enter a number from 1 to 9 using your keyboard. As shown in the picture above, two distinct features of a common jigsaw puzzle piece are named based on their appearance. Судоку ( яп. Strategies for Sudoku, Sudoku X, Killer Sudoku and Jigsaw Sudoku - and the home of logical puzzle maker Andrew Stuart. This free sudoku website features hundreds of Easy Sudoku puzzles, Medium Sudoku puzzles, Hard Sudoku puzzles, and Expert Sudoku puzzles! 24/7 Sudoku is sure to keep you playing this great sudoku game all day, every day! Sudoku is a brain challenging number game, played on a 9x9 sudoku board. Solve in your web-browser, or on an iPad, Kindle Fire or Android tablet. Spilsbury attached a map to a piece of wood and then cut out each country. T-shirts, posters, stickers, home decor, and more, designed and sold by independent artists around the world. Dates in green are puzzles you've done. This free sudoku website features hundreds of Easy Sudoku puzzles, Medium Sudoku puzzles, Hard Sudoku puzzles, and Expert Sudoku puzzles! 24/7 Sudoku is sure to keep you playing this great sudoku game all day, every day! Sudoku is a brain challenging number game, played on a 9x9 sudoku board. You can still use the same strategies and perhaps invent some new ones. t. Thanks for supporting our site. Jigsaw Sudoku Puzzle Book is sorted into three levels of difficulty (medium, hard, and very hard). You have 80,000 puzzles presented in two forms and four levels. Sudoku is easily the most played and most analyzed puzzle in the world, so coming up with the hardest one is no mean feat. Jigsaw Sudoku: 200 Medium Jigsaw Sudoku Puzzles Volume 7. I do hope you enjoy them as much as I have in creating them. Python code to solve Jigsaw Sudoku. A 4-dimensional sudoku would for example be a jigsaw sudoku on top of a traditional one. Double-tap selects cage Mark with dots F or fast, unlimited generation and solution of Sudoku puzzles download and install Sudoku Dragon. Enter the numbers of the puzzle you want to solve in the grid. Number 1-9 can only appear once in each group. Super Killer Sudoku includes the traditional. To check you have entered a correct puzzle press validate. Jigsaw Sudoku #2 4 9 7 2 6 4 3 1 9 8 1 2 2 7 1 9 5 5 6 5 9 3 Intermediate Jigsaw Sudoku by Krazydad, Volume 1, Book 1 For more puzzles, visit krazydad. Puzzle Sudoku werden hier zwei Diagonale in das Spiel eingefügt. Or, bookmark and check this page daily for a cool Puzzle of the Day! Tip: While solving a puzzle, click the button in the lower-right corner to go. However, some variants are mathematical (see below). This Jigsaw Sudoku can be completed directly on the web page - just enter numbers in the cells. Star Battle Puzzles by KrazyDad. In a traditional sudoku grid, there are also equally sized and shaped areas that must follow the same rule. Available also from the solver. With few bi-value and bi-location candidates other strategies give up. Free daily online Sudoku from USA TODAY. The Daily Sudoku. This 256 page book contains 58 strategies from the most simple to the mind-bogglingly esoteric. Sudoku.