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Nanbaboru 5x5 #1 Hard free puzzles to solve online Number Ball. Nanbaboru (distorted by the Japanese pronunciation of the English name "Number Ball") - a logical puzzle of a square shape, invented by Naoki Inaba (Japan).

This Sudoku Kuruma is made by Martin Kool from Q42 A sudoku (Japanese Sūdoku, short for Sūji wa dokushin ni kagiru, translated 'isolate the numbers') is a puzzle consisting of nine by nine squares that are grouped as nine blocks of three by three squares.

Classical crossword "Gypsy House" 17x17 to solve online for free. There are few additional explanations for this classic, after all, everyone knows a time-tested crossword puzzle. Ancient, because the first crossword puzzle dates back to 1913.

Futoshiki 5x5 #1 Difficult (Hutosiki, Hutoshiki) play online for free. Futoshiki (inequality) is a number puzzle in which a field chart of size n must have a completed number, so that in each row and in each column there is a number from 1 to n.

Number puzzles online Bricks 6x6 #2 Hard (another name is Bricks, Brick Sudoku). This puzzle option has additional conditions: In the cells of each “brick” one digit is even, the other is odd. Two halves of the “brick” located at the edge of the puzzle form one “brick”.

Yin Yang 8x8 #1 Easy (Yin Yang) solve online. Fill an 8x8 board with white or black circles so that each group of circles of the same color forms one continuous region orthogonally and does not contain areas 2×2 or more than one color.

Sudoku Akachan - Many people think Sudoku is a game invented in Japan. This puzzle was invented by American architect Howard Garnes and published "Dell Magazines" in 1979. And to think that “Number Place” would appear in Japan (and was called Sudoku) only in 1984 and became popular thank.

In this Wordsearch «Birds» you need to find the names of all 16 birds that are written here. In the grid of the Wordseekers “Birds” 15x15, the words are located both vertically and horizontally. Management using with the left mouse button), select the necessary word.

Tents 10x10 #3 Light - (other names are Tents and Trees, Zeltlager, Zeltplatz, Camping) puzzle solve online for free. This puzzle is a rectangular grid, some cells of which contain “trees”. The task is to set up a “camp” - to place “tents” in certain cells according to the rules indicated below.

The puzzle Number Crossword 9x11 02.06 (also known as cross-configuration, figure logic, or number lock puzzle) looks like a crossword puzzle, but numbers are used in the grid instead of words. The solver or crossword puzzle of cross numbers can find all the possibilities of filling the grid with

Yin Yang 8x8 #1 Easy (Yin Yang) solve online Fill an 8x8 board with white or black circles so that each group of circles of the same color forms one continuous region orthogonally and does not contain areas 2×2 or more than one color.

Tents 10x10 #2 Light - (other names are Tents, Tents and Trees) puzzle solve online for free. This puzzle is a rectangular grid, some cells of which contain “trees”. The task is to set up a “camp” - to place “tents” in certain cells according to the rules indicated below.

Islamic crossword "Belt bow in prayer" solve online Muslim Crosswords 17x17 with answers and tips for free. Every Muslim should use his abilities and opportunities to serve Allah, the cause of Islam. Unfortunately, I could not get a good Islamic education on time, but I think that these modest

Other names are Tents and Trees, Zeltlager, Zeltplatz, Camping This puzzle is a rectangular grid with some cells containing "trees". The task is to break up the camp by placing the tents in certain cells according to the rules below.

RELAXING PUZZLE Tents 9x9 #3 Light (TENTS AND TREES) FOR A FREE Online Solution Tents and trees is a relaxing puzzle game in which to "plant" tents next to each tree, while observing the rules established by different grids. It may seem easy, and at least at the initial stage it is, but over time

Sudoku Kropki 9x9 #9 to solve free online puzzles (Dots Sudoku, Black and White Sudoku) Due to the huge number of Sudoku Kropki puzzles, carefully selected in order of increasing complexity, this unique collection of many puzzles is full of attractively designed tasks from the author of this site.

Tenner Grid 10x6 #2 Light (other names are Grid Ten, Zehnergitter) play free online. The puzzle is a rectangular grid with a width of 10 cells. Some cells already contain numbers. To solve the puzzle, you need to fill in the empty cells with numbers from 0 to 9 so that they are not repeated in each

Kakuro 10x10 #3 Very Difficult to solve online. Fill in the grid of 10x10 Kakuro puzzle so that each block is summed with the sum in the box above or to the left of it. You can use only digits 1-9, and you should not use the same digit twice in a block.

An Estonian crossword puzzle «Kitchen appliance» is similar to the classic one, but its grid does not contain empty cells. Cells that do not belong to the same answer are delimited by a thick line. In Russian publications, this option is called: Russian barred crossword - «crossword with

Rules for playing Futoshiki online puzzle 5x5 #1 Medium. The goal of Futoshiki 5x5 #1 Medium is to fill the grid with numbers so that each column and each row contains numbers only once. Some numbers may be indicated at the beginning of the game.

Numeral crossword Codeword «Igroman» play online A number puzzle is a fully completed crossword puzzle, where the letters are replaced by numbers. These numbers correspond to the letters of the alphabet. The deciphered letters are entered in this bar. At least one word has already been given to get

Logical online encyclopedia

About this site

The site is dedicated to various crosswords, and began its work in 2011. Initially, a small list of sections, over time, is enriched with new content and ideas, and so has grown to its current size. The visitor will find some information in the field of solving different puzzles, some rules, history and crossword puzzles. Registration on the site is free and without spam.

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All content and educational resources published on can be used for personal use and fair use in schools during class. Copying, modification, public performance and any use of such content for commercial purposes is prohibited.

This section of my webpage focuses on grid-based puzzle information. To qualify, these puzzles must be self-contained and language-independent. The main thing you need to solve them is logic.
The most famous of them, of course, is Sudoku. Sudoku's predecessor was a riddle called Number Place, apparently developed by Howard Garnes and first appeared in Dell puzzle magazines in 1979. While most Dell puzzles require information provided off-grid, and many rely on cultural knowledge or specific languages, Number Place only requires the grid itself.

Japanese puzzle printing company Nikoli imported the puzzle into Japan in 1984 and continued with some key changes. First, the number of dates was set to no more than 32; Second, the puzzles were supposed to be symmetrical. These changes allowed Sudoku creators to explore more creative directions.

When Sudoku exploded in popularity, variations began to accumulate. Now there is a dizzying amount of options, some of which are given as examples in the museum. In addition to Sudoku, there are many other grid-based puzzles, many of which predict Sudoku.


In order to qualify for this site, the puzzle must be almost completely self-contained. In several cases, such as Armadillos and Star Battle, there are several clues that are outside the grid itself; However, puzzles, such as the number of crosswords that are language-independent but rely on a long list of off-grid hints, are not included.
Puzzles must also be language independent. Many have a mathematical component, and some (such as tents and a labyrinth with a horror mirror) have a cultural component. However, these components take only a few minutes to learn, and thus do not present a significant obstacle to solvers who were not previously exposed to them.

Finally, puzzles can be solved with paper and pencil. There are several independent puzzles that require moving tiles or other controls that are well suited for execution on a computer, but do not work on paper.

The puzzles on this site are not an exhaustive list. Currently, there are dozens of prolific puzzle makers, and even a complete compilation of each puzzle created by these people will be uncontrollably long; Many of their puzzles are variations of options or are created for one publication. I tried to include the basic types of puzzles, as well as qualifying puzzles from the main list, the Japanese puzzle set and Nicole. However, even these lists continue to grow.

Categories are for grouping similar puzzles, but many puzzles have different categories. The main index contains the most common name for each puzzle (as far as I know), while the full index also lists the names of options; For example, only Slitherlink appears in the base index, while Fences, Loopy, and many others appear in the full index.

In some cases, I have provided sample puzzles. Puzzle examples are my own creations based on the rules provided.
I hope you were satisfied with your visit!
Join us if you are a true crossword puzzler!
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