puzzlephil

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