Http://www









Sudoku Variants and other puzzles

Small Sudoku Variants

• Shidoku

Fill in the grid so that every row, every column, and every 2 x 2 box contains the digits 1 through 4. There is only one solution. You can find it by logic.

[pic]

• Rokudoku

Fill in the grid so that every row, every column, and every 3x2 box contains the digits 1 through 6. There is only one solution. You can find it by logic.

[pic][pic]

• Logi-5 (Pento-Sudoku)

• Logi-5 (Pento-Sudoku)

• Magic Pentaminoes

• Jigsaw Rokudoku

Fill in the grid so that every row, every column, and every coloured region contains the digits 1 through 6. There is only one solution. You can find it by logic.

[pic][pic]

• Mini Jigsaw Sudoku (7x7)

• Mini Sudoku (8x8)

Fill in the grid so that every row, every column, and 4x2 box contains the digits 1 through 8. There is only one solution. You can find it by logic.

[pic]

• Mini Jigsaw Sudoku (8x8)

Fill in the grid so that every row, every column, and 4x2 box contains the digits 1 through 8. There is only one solution. You can find it by logic.

[pic]

Vanilla Sudoku

• Sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. There is only one solution. You can find it by logic.

[pic] [pic]

[pic][pic]

Big Sudoku Variants

• Maxi Sudoku (10x10)

• Maxi Sudoku (10x10)

• Maxi Sudoku (12x12)

Fill in the grid so that every row, every column, and 4x3 box contains the numbers 1 through 12. There is only one solution. You can find it by logic.

[pic]

• Maxi-Sudoku (15x15)

Jigsaw Sudoku

• Irregular Sudoku (Jigsaw Sudoku, Geometric Sudoku)

Fill in the grid so that every row, every column, and every outlined region contains the digits 1 through 9. There is only one solution. You can find it by logic.

[pic][pic]

• Cylindrical Sudoku

Fill in the grid so that every row, every column, and every marked region contains the digits 1 through 9. The grid is joined at the outermost columns as if it were a cylindrical grid. There is only one solution. You can find it by logic.

[pic]

• Cylindrical Stairstep Sudoku

Fill in the grid so that every row, every column, and every marked region contains the digits 1 through 9. The grid is joined at the outermost columns as if it were a cylindrical grid. There is only one solution. You can find it by logic.

[pic]

• Toroidal Sudoku

Fill in the grid so that every row, every column, and every marked region contains the digits 1 through 9. The grid is joined at the outermost columns and rows as if it were a toroidal grid. There is only one solution. You can find it by logic.

[pic]

• Offset Sudoku

Fill in the grid so that every of the nine marked 3x3 box contains the digits 1 through 9. No digit can repeat in a row or column. There is only one solution. You can find it by logic.

[pic]

ABCD Knot

• ABCD Knot

Fill the letters from A through D into the grid. All letters must be in each cage and equal letters can't be orthogonally adjazent. There is only one solution. You can find it by logic.

Example:

[pic]

[pic]

Sudoku and latin squares with known extra regions

• Windoku (Four-Box Sudoku, Hyper Sudoku)

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. The colored extra-regions must contain each the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Creasing Sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. Numbers going along grey lines must be in increasing or decreasing order from one end to the other. There is only one solution. You can find it by logic.

[pic]

• Centerdot Sudoku

Fill in the grid so that every row, every column, every 3x3 box and the cyan cells contain the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Centerdot Sudoku X

Fill in the grid so that every row, every column, every 3x3 box, the cyan cells and both diagonals contain the digits 1 through 9. There is only one solution. You can find it by logic.

[pic][pic]

[pic]

• Asterisk Square

Fill in the grid so that every row, every column and the cyan cells contain the digits 1 through 9. (There aren't any 3x3 boxes.) There is only one solution. You can find it by logic.

[pic]

• Asterisk Square X

Fill in the grid so that every row, every column, the cyan cells and both diagonals contain the digits 1 through 9. (There aren't any 3x3 boxes.) There is only one solution. You can find it by logic.

[pic]

• Asterisk Sudoku

Fill in the grid so that every row, every column, the 3x3 boxes and the colored cells contain the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Asterisk Sudoku X

Fill in the grid so that every row, every column, the 3x3 boxes, both diagonals and the colored cells contain the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Girandola Sudoku

Fill in the grid so that every row, every column, every 3x3 box and the cyan cells contain the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Sight Sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains besides the men digits 1 through 8. The men must see all 8 digits once if he looks orthogonally. His sight is blocked by walls. There is only one solution. You can find it by logic.

[pic]

• Disjoint Groups Sudoku

Fill in the grid so that every row, every column, and every marked region, and cells with the same color contain the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Colour Sudoku (Plum Sudoku)

Fill in the grid so that every row, every column, and cells with the same color contain the digits 1 through 9. (There aren't any boxes.) There is only one solution. You can find it by logic.

[pic][pic]

• Colour Sudoku

• Extra-Regions Sudoku: 2 pyramids

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. The colored pyramids must contain each the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Extra-Regions Sudoku: 2 squares

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. The colored squares must contain each the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Extra-Regions Sudoku: 4 pyramids

Fill in the grid so that every row, every column, every 3x3 box and every colored pyramid contains the digits 1 through 9. There is only one solution. You can find it by logic.

[pic][pic]

• Extra-Regions Sudoku: 2 overlapping squares

Fill in the grid so that every row, every column, every 3x3 box and every colored square contains the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Latin Square with 6 overlapping squares

Fill in the grid so that every row, every column and every colored square contains the digits 1 through 9. There is only one solution. You can find it by logic.

[pic][pic]

• Quadruple Clue Sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. Each set of 4 small digits stands for the number in the four adjacent cells to this set. There is only one solution. You can find it by logic.

[pic]

• Old Sudoku Variant

The first sudokus published in Dell Pencil Puzzles & Word Games (1979) were exemples of this sudoku variant. Here a puzzle created by me.

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. Each of the numbers in circles below goes into one of the circle boxes in the diagram (not necessarily in the order given). There is only one solution. You can find it by logic.

[pic]

• Touchless Sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. Equal digits can be neither orthogonally nor diagonally adjazent. There is only one solution. You can find it by logic.

[pic][pic]

• Snake Sudoku

Fill in the grid so that every row, every column, every 3x3 box and both cyan groups contain the digits 1 through 9. There is only one solution. You can find it by logic.

[pic][pic]

[pic]

• Old Lace Sudoku

Fill in the grid so that every row, every column, every 3x3 box and the cyan cells contain the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Black Jack Sudoku

Fill in the grid so that every row, every column, every 3x3 box and the three colored regions contain the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Jing Sudoku

Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. The green cell must be different from all yellow cells. There is only one solution. You can find it by logic.

[pic]

Fillomino Variants

• Fillomino

Divide the grid into areas and write a number in every field. The numbers in the same area have to be the same and have to tell the number of fields in that area. Areas of same size my not touch horizontally or vertically, but diagonally. Given numbers may belong to the same area, and it's possible that there are areas, where no number is given, even with larger numbers as the once shown.

Example:

[pic]

There is only one solution. You can find it by logic.

[pic]

• Bossomino

Divide the grid into areas and write a number in every field. The numbers in the same area have to be the same and have to tell the number of fields in that area. Areas of same size my not touch horizontally or vertically, but diagonally. Given numbers may belong to the same area, and it's possible that there are areas, where no number is given, even with larger numbers as the once shown.

In golden cells the number is the sum of the gaps of this cell with its orthogonal adjazent neighbors. In white cells the number can not be the sum of the gaps of this cell with its orthogonal adjazent neighbors.

Example:

[pic]

There is only one solution. You can find it by logic.

[pic][pic]

• Even Odd Fillomino

Divide the grid into areas and write a number in every field. The numbers in the same area have to be the same and have to tell the number of fields in that area. Areas of same size my not touch horizontally or vertically, but diagonally. Given numbers may belong to the same area, and it's possible that there are areas, where no number is given, even with larger numbers as the once shown. In green cells there are only even numbers, in yellow cells there are only odd numbers.

Example:

[pic]

There is only one solution. You can find it by logic.

[pic]

• Fillomino Skyscraper

Divide the grid into areas and write a number in every field. The numbers in the same area have to be the same and have to tell the number of fields in that area. Areas of same size my not touch horizontally or vertically, but diagonally. Given numbers may belong to the same area, and it's possible that there are areas, where no number is given, even with larger numbers as the once shown. The clues along the edges tell you how many skyscrapers you can see from that vantage point.

Example:

[pic]

There is only one solution. You can find it by logic.

[pic][pic]

Rectangular Dissection Puzzles

• Rekuto

Divide the grid into rectangular and square pieces such that each piece contains exactly one number, that each cell is part of one piece and that number represents the sum of the width and height of the rectangle.

Example:

[pic]

There is only one solution. You can find it by logic.

[pic]

• Shikaku

Divide the grid into rectangular and square pieces such that each piece contains exactly one number, that each cell is part of one piece and that number represents the number of cells of the rectangle.

Example:

[pic]

There is only one solution. You can find it by logic.

[pic]

• Daisho

Divide the grid into rectangular and square pieces. The greater less signs show which area cell is part of the rectangle with the greater number of cells.

Example:

[pic]

There is only one solution. You can find it by logic.

[pic]

• Gardens

The diagram contains small gardens. This are rectangular green areas separated by hedges. Every garden consist of the number of squares that the given numbers show. Every garden contains exactly one number. The small gardens may only touch each other at the vertexes. Each 2x2 square must have at least one garden square.

Example:

[pic]

There is only one solution. You can find it by logic.

[pic][pic]

Domino Dissection Puzzles

• Domino Search

The shown domino pieces have been arranged to form a rectangle. After that the borderlines between the pieces have been removed. Reconstruct the missing lines so that every domino piece exists exactly once in the diagram.

Example:

[pic]

There is only one solution. You can find it by logic.

[pic]

[pic]

[pic]

• Angel Domino

Angel musicians are an integral part of Erzgebirgian Christmas traditions. In many homes there is a cloud with such wooden angels. Here is a puzzle with domino stones on which Christmas angels can be seen.

The domino pieces shown at the bottom have been arranged to form a rectangle. After that the borderlines between the pieces have been removed. Reconstruct the missing lines so that every domino piece exists exactly once in the diagram.

[pic]

Tetris Dissection Puzzles

• Address Number

Divide the grid into areas of 4 cells and fill the cells with the numbers 1 through 4 such that each if you read from the top to the bottom and from the left to the right in each area is each number and these numbers have the order 1 - 2 - 3 - 4.

Example:

[pic]

There is only one solution. You can find it by logic.

[pic]

• Anfitto

Divide the grid into areas of 4 cells such that each piece contains exactly one small blue piece with a form that is not placeable in this piece (if magnified).

Example:

[pic]

There is only one solution. You can find it by logic.

[pic][pic]

• Colorful Borders

Divide the grid into areas of 4 cells and color them with the colors red, blue and yellow. Areas of the same color may only touch each other at the vertexes. The color on the borders is the color that comes if we mix the colors of the neighbouring cells. Here red and blue becomes purple, red and yellow becomes orange and yellow and blue becomes green.

Example:

[pic]

There is only one solution. You can find it by logic.

[pic]

Topological Puzzle

• Bent between

Draw a closed loop into the diagram, that goes through every field exactly once. The line passes from every center of a field to the center of the next field. In a field with a circle the line has to bent 90°. Additionally, when following the line, between two circles, the line bents exactly once 90°.

Example:

[pic]

There is only one solution. You can find it by logic.

[pic]

Sudoku with unknown extra regions

• Square Sudoku

Fill in the grid so that every row and every column contains the digits 1 through 9. The points mark corners of squares. These squares have the size 2x2 or 3x3. No pair of squares can touch each other on corners or borders, but they can overlap similar to the picture with the blue squares. Number in squares must be different.

[pic]

There is only one solution. You can find it by logic.

[pic]

• Sudoku X Worms

Connect in the left grid all dots in pairs in such a way that all cells are filled. Each path (worm) has to make a 90 degree turn in every cell it travels through and must contain at least one turn. After that fill in the right grid so that every row, every column, every 3x3 box and both diagonals contain the digits 1 through 9. If two cells are in the left grid in the same path (worm) then the corresponding cells in the right grid must be different.

There is only one solution. You can find it by logic.

[pic]

• Sudoku Snakes

Connect in the left grid all dots in pairs in such a way that all cells are filled. Each straight line must be at least 2 cells long. After that fill in the right grid so that every row, every column and every 3x3 box contain the digits 1 through 9. If two cells are in the left grid in the same path (snake) then the corresponding cells in the right grid must be different.

There is only one solution. You can find it by logic.

[pic]

Sudoku X, Latin Squares with Diagonals

• Sudoku X

Fill in the grid so that every row, every column, 3x3 box and both diagonals contain the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Argyle Sudoku

Fill in the grid so that every row, every column, and 3x3 box contains the digits 1 through 9. In the marked diagonals all digits must be different. There is only one solution. You can find it by logic.

[pic][pic]

• Rectangle Outline Sudoku

Fill in the grid so that every row, every column and 3x3 box contains the digits 1 through 9. Each marked diagonal must contain the digits 1 through the number of cells in this diagonal. (1 - 4, 1 - 6 or 1 - 9 respectively) There is only one solution. You can find it by logic.

[pic]

• Draconic Sudoku X

Fill in the grid so that every row, every column, every 3x3 box and both diagonals contains the digits 1 through 9. Moreover all pairs of diagonally adjazent cells must be different. There is only one solution. You can find it by logic.

[pic]

• Fish Bone Sudoku

Fill in the grid so that every row, every column, and 3x3 box contains the digits 1 through 9. In the marked diagonals all digits must be different. There is only one solution. You can find it by logic.

[pic][pic]

• Snowflake Sudoku

Fill in the grid so that every row, every column, and 3x3 box contains the digits 1 through 9. In the marked diagonals all digits must be different. There is only one solution. You can find it by logic.

[pic][pic]

• Sudoku Large X

Fill in the grids so that every row, every olumn, and 3x3 box contains the digits 1 through 9. In the marked diagonals all digits must be different. There is only one solution. You can find it by logic.

[pic][pic]

• Sudoku Bold X

Fill in the grid so that every row, every column, and 3x3 box contains the digits 1 through 9. In the marked diagonals all digits must be different. There is only one solution. You can find it by logic.

[pic]

• Diamond Sudoku

Fill in the grid so that every row, every column, and 3x3 box contains the digits 1 through 9. In the marked diagonals all digits must be different. There is only one solution. You can find it by logic.

[pic][pic]

• Going Down Sudoku

Fill in the grid so that every row, every column, and 3x3 box contains the digits 1 through 9. In the marked diagonals all digits must be different. There is only one solution. You can find it by logic.

[pic]

• Wrap Down Sudoku

Fill in the grid so that every row, every column, and 3x3 box contains the digits 1 through 9. In the marked diagonals all digits must be different. There is only one solution. You can find it by logic.

[pic]

• Going Up Sudoku

Fill in the grid so that every row, every column, and 3x3 box contains the digits 1 through 9. In the marked diagonals all digits must be different. There is only one solution. You can find it by logic.

[pic]

• Wrap Up Sudoku

Wrap Up Sudoku

Fill in the grid so that every row, every column, and 3x3 box contains the digits 1 through 9. In the marked diagonals all digits must be different. There is only one solution. You can find it by logic.

[pic]

• Isosudoku

Isosudoku

Fill in the grid so that every row, 9-cell-diagonal, and 3x3 box contains the digits 1 through 9. In the shorter diagonals all digits must be different. There is only one solution. You can find it by logic.

[pic]

• Squared Outline Sudoku

Squared Outline Sudoku

Fill in the grid so that every row, every column, and 3x3 box contains the digits 1 through 9. In the marked diagonals all digits must be different. There is only one solution. You can find it by logic.

[pic][pic]

[pic]

• Sudoku 37

Sudoku 37

Fill in the grid the digits 1 through 7 so that no row, column, and diagonal contains any digits more then once. Different colors help to spot the diagonals. There is only one solution. You can find it by logic.

[pic][pic]

[pic]

• Slash Sudoku

Fill in the grid so that every row, every column, 3x3 box and the marked diagonal contains the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Parallel Sudoku

Fill in the grid so that every row, every column, and 3x3 box contains the digits 1 through 9. In the marked diagonals all digits must be different.

There is only one solution. You can find it by logic.

[pic]

• Magic Square

Fill in the grid so that every row, every column and both diagonals contain the digits 1 through 8. There is only one solution. You can find it by logic.

[pic][pic]

Even/Odd Sudoku

• Even/Odd Sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. Yellow cells must contain odd digits, green cells must contain even digits. There is only one solution. You can find it by logic.

[pic][pic]

• Odd Sudoku

Fill the grid with the digits 1 to 9. Each row, column and 3x3-box will have exactly one of each digit. In yellow cells can only be odd digits. In white cells both odd and even digits are possible. There is only one solution. You can find it by logic.

[pic]

Other sudoku with restricted cells

• Sudoku 147

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. Red cells must contain digits 1, 2 or 3, blue cells must contain digits 4, 5 or 6, and yellow cells must contain digits 7, 8 or 9. There is only one solution. You can find it by logic.

[pic][pic]

• Big/Small/Even/Odd Sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. Yellow cells must contain odd digits, green cells must contain even digits. Red cells must contain small digits (1 - 4) and blue cells big digits (5 - 9). There is only one solution. You can find it by logic.

[pic]

• Word Rokudoku

Fill in the grid so that every row, every column, and every 3 x 2 box contains the digits 1 through 6. Digits are written in word form (in german) and some letters are already given. There is only one solution. You can find it by logic.

[pic]

• Pips Rokudoku

Fill in the grid so that every row, every column, and every 3 x 2 box contains the digits 1 through 6. Some pips are already given. There is only one solution. You can find it by logic.

[pic]

• Digital Rokudoku

Fill in the grid so that every row, every column, and every 2 x 3 box contains the digits 1 through 6. Each digit appears as in a liquid crystal display, as shown below. Parts of some digits are already placed in the grid. There is only one solution. You can find it by logic.

[pic]

• S for Sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. The letters in the cells are part of the english names of the digits in the cell. There is only one solution. You can find it by logic.

[pic]

• Outside Sudoku

Fill in the grid so that every row, every column, and every 3 x 3 box contains the digits 1 through 9. Outside digits must be inserted in the corresponding row or column of the contiguos box. There is only one solution. You can find it by logic.

[pic][pic]

• Demarcated Sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 7. Digits in black cells must be inserted in the corresponding direction in one of the fields until the next black cell or the border. There is only one solution. You can find it by logic.

[pic]

• One digit to much

This is a simple sudoku variant. Delete in every cell one number, so that after that that every row, every column, and every 3x3 box contains the digits 1 through 9. There is only one solution. You can find it by logic.

[pic]

• Sukaku (Pencilmark Sudoku)

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9. In the cells you find all allowed candidates for the specific cell. There is only one solution. You can find it by logic.

[pic][pic]

Pool Sudoku

• Bagua Sudoku

Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. All eight green lines must use no more then four digits. Each line must use three of these digits. There is only one solution. You can find it by logic.

[pic]

• Bagua Zero Killer

Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. The sum of the digits within each sub-region is equal to the specified number. No digits can be repeated in any cage. All eight green lines must use no more then four digits. Each line must use three of these digits. There is only one solution. You can find it by logic.

[pic]

• Mudan Sudoku

Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. All eight green lines must use no more then four digits. Each line must use three of these digits. All yellow cells must contain odd digits. There is only one solution. You can find it by logic.

[pic]

• Shi Sudoku

Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. In the yellow cells there are 6 different values. There is only one solution. You can find it by logic.

[pic]

• King Sudoku

Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. In the yellow cells there are 6 different values. There is only one solution. You can find it by logic.

[pic]

• Dan Sudoku

Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. In the yellow cells there are 7 different values. There is only one solution. You can find it by logic.

[pic]

• Shen Sudoku

Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. In the yellow cells there are 7 different values. There is only one solution. You can find it by logic.

[pic]

• Zhong Sudoku

Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. In the yellow cells there are 7 different values. There is only one solution. You can find it by logic.

[pic]

Greater/Less Sudoku, Futoshiki

• Greater/Less Sudoku

Fill in the grid so that every row, every column, and every 3 x 3 box contains the digits 1 through 9. Numbers must be placed according to greater (>) and less () and less () and less ( ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download