## Our Logic Puzzles

Here you find a selection of the most popular logic puzzles. Click on the sample puzzles in order to get more information about each puzzle type. If you never before solved a puzzle, we suggest you read our introduction.

### A2Y

Create a chain from A to Y in alphabetical order

### Arrows

Find out at how many different numbers each arrow points

### Arukone

Link all pairs of equal letters

### Battleships

Find the right location of all hidden ships

### Binary Puzzle

Fill the grid only with 0 and 1

### Camping

Find the locations of tents, one for each tree located at its side

### Chiiki

Split the grid in regions belonging to the given letters

### Cows

Split the meadow in square regions so that every cows occupies one of them

### Domino

Find all the given dominoes not overlapping each other in the grid

### Endview

Fill some cells of the grid with letters according to the visibility information at the borders

### Eulero

Is Sudoku not challenging enough? Then try these two entangled ones!

### Galaxies

Split the night sky into galaxies starting from their symmetry centers

### Hakyuu

Fill the grid with numbers at a minimum distance from equal numbers

### Hashiwokakero

Link the islands of the archipel with the right numbers of bridges

### Hidoku

Make a chain of consecutive numbers in neighbouring cells

### Hikaku

Fill the grid with numbers obeying the greater/less-than operators

### Hitori

Black some cells according to special rules

### Honeycomb

The letters from A to F have to surround each brown cell

### Kakuro

Fill the grid with the numbers from 1 to 9 so that they give the right sums

### Kendoku

The product, sum, difference or quotient of each cage define the numbers

### Knossos

Reconstruct the floor plan of the palast of Knossos

### Loopy

Draw a closed loop covering all the (empty) cells

### Magnets

Find the right places and orientation for magnets and neutral plates

### Magyk

Find out which given difference belongs to which pairs of cells in consecutive rows

### Mastermind

Do you know the board game *Mastermind*? Now its your turn for the last guess

### Matrix

Each number defines who many cells have to be blacked in its row and colums together

### Metropolis

Find the location of differently sized building blocks

### Number Chain

Find one number chainfrom top left to bottom right

### Nurikabe

Build white islands surrounded by black walls

### Patchwork

Find the correct pattern for each of the patches

### Shikaku

Split the grid into rectangles of the size given by the numbers

### Skyline

Find the correct height of the skyscapers in each row and column

### Slitherlink

Find a closed loop which circumvents all cells containing numbers

### Slitherlink Specials

Find a closed loop which circumvents all cells containing numbers

### Squaring

Find areas bounded by squares of equal sizes

### Squiggly

It's like Sudokus with coulored regions instead of square blocks

### Stars

Fill each row, each column and each bordered area with exactly two stars

### Straights

Fill the white areas with consecutive numbers

### Sudoku

The original classic from Japan

### Bordersum Sudoku

Sudoku with sums of the border cells

### Chess Sudoku

Sudoku on a chess board: The cells have the eyes of the Queen

### Colour Sudoku

Sudoku with colored cells

### Comparison Sudoku

Sudokus with relations to neighbouring cells

### Groupsum Sudoku

Sudokus with sums of several 2x2 cell regions

### Killer Sudoku

Sudokus with additional "sum cages"

### Kropki Sudoku

Sudoku with black and white spots giving additional hints

### Samurai Sudoku

Several overlapping Sudokus forming one big puzzle

### Star Sudoku

Sudoku in star shape and triangular blocks

### Sudoku Variants

Sudoku with irregular or additional (colored) regions

### Sudoku in other sizes

Sudokus in sizes 4x4 up to 25x25

### Symbol Puzzle

Ecah symbol stands for a certain digit. Find out for which one!

### Tatami

Each area should contain the first N numbers.

### TrainTrack

Link village A and B with a railway track

### Trinudo

Split the grid into areas of one, two or three cells

### Tripletts

Either three equal or three different symbols go into each area

### Tubes

Link the connectors with as many pipes as is indicated by the number inside

### Twist

Find out which numbers "tell the truth" and which are "lying"

### Winery

Fill the bottles with red wine up to the right level

### Word Mix

Find all given words hidden in grid