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Puzzles
This page features sample puzzles of different kinds from this and other sections of the website. To see more puzzles of these types just follow the links to their respective pages.
Put-Together Puzzles
Matchstick Puzzles
Sliding Block Puzzles
Coin Puzzles
Chess Puzzles
Checkered Origami Patterns
Origami Strip Puzzles
Dissection Puzzles
Geometric Puzzles
Puzzle Mix
Puzzle Favorites
Puzzle Hits
Puzzle Greetings
Projects
Games
Interactive Puzzle Play
Featured Puzzles
Sliding Block Puzzles

Sliding Block Puzzles

The Mirage Puzzle by Serhiy Grabarchuk
 
The Mirage Puzzle  
by Serhiy Grabarchuk
Fifteen transparent tiles and one opaque tile are placed within a flat, 3 x 3 box with a transparent top and bottom. All transparent tiles have special patterns. Slide tiles to reach the goal position with all cells showing seven dots each. Note that the central opaque tile is as thick as two transparent tiles are.
learn more >
 

Puzzle Greetings

Christmas Chain by Serhiy Grabarchuk
 
Christmas Chain
by Serhiy Grabarchuk
Can you trace a single chain of twelve consecutively joined rings: six small, differently colored rings and six big differently colored rings?...
go to puzzle >
 

Puzzle Mix

The Spiral Galaxy Mystery by Serhiy Grabarchuk
 
The Spiral Galaxy Mystery
by Serhiy Grabarchuk
The stars that form this unique spiral galaxy are Supernova, Nebula, Red Giant, Protostar, White Dwarf, and Black Dwarf, as shown in the Start position. Stars can move just along the lines of the galaxy. Your star challenge is to move the stars to the Goal position sliding one star at a time, in exactly fifteen single sliding moves...
Geduldspiele  |  go to puzzle >
Puzzles

Puzzles

Sliding Tiles for the iPhone/iPod touch and iPad by The Grabarchuk Family and Mehmet Murat Sevim
 
Sliding Tiles for the iPhone/iPod touch and iPad
by The Grabarchuk Family and Mehmet Murat Sevim
Here is one of the most original collection of sliders, comprising 300 hand-crafted puzzles, all with realistic and fun gameplay. Sliders (aka sliding block puzzles) are highly dynamic and incredibly compact puzzles first popularized in the 19th century. We have constantly been creating this collection of sliders during the past 20 years, and many of them were changed into physical toys or online versions on the Web. Now it becomes available to all iPhone, iPod touch and iPad puzzle lovers!...
read more >
Puzzles

Puzzles

Fish Crackers for the iPhone/iPod touch and iPad by The Grabarchuk Family and Mehmet Murat Sevim
 
Fish Crackers for the iPhone/iPod touch and iPad
by The Grabarchuk Family and Mehmet Murat Sevim
One of the most advanced assembling puzzles on the App Store is here! It features 100 original puzzles with real 2D physics - move, rotate, and bump pieces as real physical objects. Puzzles are ranged from very simple with 3 pieces only, up to really hard ones with 9 pieces. Some years ago this puzzle was manufactured and distributed exclusively in Japan. Now it becomes available to all iPhone, iPod touch and iPad puzzle lovers all over the World!...
read more >
Puzzles

Puzzles

Puzzle Quizzes for the iPhone/iPod touch and iPad by The Grabarchuk Family and Mehmet Murat Sevim
 
Puzzle Quizzes for the iPhone/iPod touch and iPad  
by The Grabarchuk Family and Mehmet Murat Sevim
Discover a new type of puzzles - Puzzle Quizzes. Solve 300 original, hand-crafted puzzles with an intuitive touch-and-answer gameplay. Challenges are created in dozens of varied and appealing themes and difficulty levels so that to satisfy all puzzle lovers -- beginners, experienced, and masters alike...
read more >
Puzzles

Puzzles

iCut for the iPhone/iPod touch and iPad by The Grabarchuk Family and Mehmet Murat Sevim
 
iCut for the iPhone/iPod touch and iPad
by The Grabarchuk Family and Mehmet Murat Sevim
iCut is a brand-new visual puzzle developed for the iPhone/iPod touch. The object is to cut different shapes into congruent parts by painting them into different colors. The parts must be identical in size and shape, and may be rotated and/or reflected. Sounds easy? iCut proposes you over 1000 different challenges in six distinctive modes. Challenges are ranged from the easiest to the extremely hard, so let's give'em a try!...
read more >
Puzzles

Puzzles

Tappi Adventures for the iPhone/iPod touch by The Grabarchuk Family and Mehmet Murat Sevim
 
Tappi Adventures for the iPhone/iPod touch
by The Grabarchuk Family and Mehmet Murat Sevim
Welcome to Tappi's adventures! He's taken pictures from all of them, but accidentally all those pictures have been broken :( Help Tappi restore the proper picture of each adventure, and you'll see what cities he's visited, what modern World Wonders he's seen, what sports are played around the globe, and much more! You are welcome to explore Tappi's adventures in 12 different themes containing 12 different adventures of 3 different difficulty levels each...
read more >
 

Puzzle Greetings

The Christmas Star by Serhiy Grabarchuk
 
The Christmas Star
by Serhiy Grabarchuk
The colorful inlay hides a perfect, four-pointed Christmas star. The star is exactly similar to that shown just above the inlay, but can differ in size and orientation. Can you find the Christmas star?...
go to puzzle >
Puzzles

Puzzles

Will Shortz
NPR Logo
Sunday Puzzle Logo
Our Puzzle on NPR
Each week, New York Times crossword puzzle editor and NPR's Puzzlemaster Will Shortz presents an on-air challenge to one contestant and gives a challenge for Weekend Edition Sunday listeners at home. For the next week's challenge one of our recent puzzles has been chosen. Listeners who submit the correct answer to the NPR win a chance to play the on-air puzzle and test their wits with Will Shortz...
 

Puzzle Mix

Dicey Multiplication by Werner Miller
 
Dicey Multiplication
by Werner Miller
Here is a novel version of traditional play with numbers. The challenge is to arrange "standard" dice into a pyramidal multiplication with their top faces read out the factors of the multiplication and the front faces read out the correct product...
go to puzzle >
Puzzles

Puzzles

LetsTans for the iPhone/iPod touch and iPad by The Grabarchuk Family and Mehmet Murat Sevim
 
LetsTans for the iPhone/iPod touch and iPad
by The Grabarchuk Family and Mehmet Murat Sevim
LetsTans is a new visual puzzle developed for the iPhone/iPod touch and iPad. With over 1500 original challenges presented in ten distinctive play modes, it delivers a totally new puzzle experience of the captivating Tangram's spirit and energy. Neat graphics, sounds, and animations, and an advanced Hints system guarantee you hours of pleasant and smart enjoyment...
LetsTans.com  |  read more >
Puzzles

Puzzles

Strimko™ for PC/Mac by Braintonic Inc. and The Grabarchuk Family
 
Strimko for PC/Mac
by Braintonik Inc. and The Grabarchuk Family
Now STRIMKO™, the popular web-based logical puzzle game, comes as a PC/Mac game. It presents two distinctive play modes. In the Adventure mode, help Luana save her planet by collecting celestial Amulets and reassembling her magical Astrolabe. In the Classic mode, you can enjoy playing more than 200 hand-crafted, mind bending, Strimko puzzles. Each play mode comprises four different types of Strimko challenges--Zen, Pave, Fit, and Tri--all in various sizes and difficulty levels. In the Adventure mode you can additionally play ten mini-games what will make your adventure even more pleasant!...
Strimko.com/PC-Mac  |  read more >
Puzzles

Puzzles

Electronic Brain Games with 2 Puzzle Books
 
 
Electronic Brain Games with 6 Puzzle Books
 
Electronic Brain Games with Puzzle Books
This puzzle set is a series of books activated by an Interactive Reader (it recognizes text and images on the book pages and looks like an oversized pen) that provide puzzles and other mental challenges to stimulate the human brain. Touching the Reader's optic point to a page enables you to solve puzzles and challenges, ask for hints, time yourself while working a puzzle, and more. The Reader also has a mechanical pencil. A cartridge that slips into the Reader contains all the audio for the books. The set also includes a set of ear buds.

The first set comprises two puzzle books, Brain Training and Picture Puzzles. The expanded set contains six puzzle books: Brain Training, Brain Training2, Picture Puzzles, Picture Puzzles2, Sudoku Puzzles, and Crosswords...
learn more >
Coin Puzzles

Coin Puzzles

Coin Lines Exchange by Rodolfo Kurchan and Jaime Poniachik
 
Coin Lines Exchange
by Rodolfo Kurchan and Jaime Poniachik
Six coins, three silver and three gold ones, form two lines placed in the middle of the 4 x 5 board. Coins can only jump over other coins. Your goal is to exchange the lines in exactly nine moves...
go to puzzle >
Puzzles

Puzzles

Strimko™ for the iPhone/iPod touch by Quokka Studios Pty Ltd and The Grabarchuk Family
 
Strimko for the iPhone/iPod touch
by Quokka Studios Pty Ltd and The Grabarchuk Family
STRIMKO™, the popular web-based logical puzzle game, comes to the iPhone/iPod touch. The Strimko app presents 120 never before published, hand-crafted puzzles in four difficulty levels--Easy, Medium, Hard, and Master. Puzzles are in four sizes, 4 x 4 through 7 x 7. An intelligent hinting system can help you, when you get stuck. Additional puzzle packs available...
Strimko.com/iPhone  |  read more >
Matchstick Puzzles

Matchstick Puzzles

The Bat by Serhiy Jr. & Peter Grabarchuk
 
The Bat
by Serhiy Jr. & Peter Grabarchuk
The Bat is formed of ten matches. The goal is simple: Move only three matches so that the Bat flies in another direction. Bear in mind that you have to use matches without any special tricks like cutting, breaking or overlapping...
Puzzles.COM  |  go to puzzle >
Put-Together Puzzles

Put-Together Puzzles

Eight Puzzle by Peter Grabarchuk
 
The Eight Puzzle
by Peter Grabarchuk
The 8 shape can be assembled with twelve different pieces consisting of four equilateral triangles each. Can you discover the way how to do that? You may rotate pieces as you like, but not overlap or flip them over...
Puzzles.COM  |  go to puzzle >
Put-Together Puzzles

Put-Together Puzzles

Ten Hearts by Serhiy Grabarchuk
 
Ten Hearts
by Serhiy Grabarchuk
Place twelve pieces within a rectangular card so that exactly ten hearts appear. Every heart consists of two halves. Overlapping of the pieces is not allowed, and no part of hearts must be left out...
Puzzles.COM  |  go to puzzle >
Checkered Patterns

Checkered Origami Patterns

Triangle Folds by Serhiy Grabarchuk
 
Triangle Folds
by Serhiy Grabarchuk
You have three paper rectangles colored in two colors, yellow and red. Using them, make an equilateral triangle colored fully in red on one of its sides and fully in yellow--on the other. Note that you can perform just one simple fold for each rectangle...
Puzzles.COM  |  go to puzzle >
Dissection Puzzles

Dissection Puzzles

Halloween Cuts by Serhiy Grabarchuk
 
Halloween Cuts
by Serhiy Grabarchuk
A piece of checkered cloth shows nine letters that spell: H-A-L-L-O-W-E-E-N. Make three cuts and obtain four fragments--then a square, using them, try to form. Trick or Treat!...
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Coin Puzzles

Coin Puzzles

The MG Coin Puzzle by Serhiy Grabarchuk
 
The MG Coin Puzzle
by Serhiy Grabarchuk
Seven coins form a stylized M. Moving a coin at a time and observing a "double touch" rule, rearrange the M into another stylized letter, G. Could you achieve the goal in four single coin moves?...
go to puzzle >
Sliding Block Puzzles

Sliding Block Puzzles

Double Play by Larry D. Nichols
 
Double Play
by Larry D. Nichols
Double Play resembles the 15 Puzzle, with square tiles numbered 1 through 12 contained in a 4 x 4 frame along with four empty cells. It has just one new rule: The tiles can only slide in pairs, with one tile pushing another. Move tiles from any given or random position (pattern) back to the Home pattern, and bear in mind that all of the Double Play challenges are quite difficult. Happy Puzzling!...
play >
Matchstick Puzzles

Matchstick Puzzles

Square & Division by Serhiy Grabarchuk
 
Square & Division
by Serhiy Grabarchuk
Eight matches form a 2 x 2 square. With four additional matches divide this square into two parts of the same area and shape. But remember that you have to use matches without any special tricks like cutting, breaking or overlapping...
Puzzles.COM  |  go to puzzle >
Put-Together Puzzles

Put-Together Puzzles

The Marbles & Rows Puzzle by Serhiy Grabarchuk
 
The Marbles & Rows Puzzle
by Serhiy Grabarchuk
Put nine square tiles with color marbles into a 3 x 3 square so that to get nine horizontal and nine vertical rows of marbles containing exactly four marbles of four different colors each. Distances between the marbles and their order in the rows do not matter...
Puzzles.COM  |  go to puzzle >
Put-Together Puzzles

Put-Together Puzzles

Serpentine Lines by Serhiy Grabarchuk
 
Serpentine Lines
by Serhiy Grabarchuk
Can you determine which three (and only three!) serpentine lines out of eight given ones will form (when you stack them together) a full grid? You may rotate serpentine lines as you like, but you cannot flip them over...
Puzzles.COM  |  go to puzzle >
Sliding Block Puzzles

Sliding Block Puzzles

The Fish by Serhiy Grabarchuk
 
The Fish
by Serhiy Grabarchuk
This puzzle combines a sliding block puzzle with a matchstick puzzle. Eight matches pasted onto square pieces within a 3 x 4 tray form a fish which swims to the right. Slide pieces to rearrange them so that the fish swims in the opposite direction...
Puzzles.COM  |  go to puzzle >
Dissection Puzzles

Dissection Puzzles

Break-in-Two by Serhiy Grabarchuk
 
Break-in-Two
by Serhiy Grabarchuk
A shape consists of square cells. The object is to divide it into two congruent parts. They must be identical in size and shape, but you may rotate them and their outlines can even be reflections of each other...
Puzzles.COM  |  go to puzzle >
Dissection Puzzles

Dissection Puzzles

Cut the Q by Peter Grabarchuk
 
Cut the Q
by Peter Grabarchuk
You have a stylized letter Q. Your challenge is to cut it into two congruent parts. They must be the same size and shape, but may be rotated and/or reflected. Note that your cuts may be done anywhere, not just along the lines of the diagram...
Puzzles.COM  |  go to puzzle >
 

Puzzle Mix

Parted Cube by Peter Grabarchuk
 
Parted Cube
by Peter Grabarchuk
Each of the eight combinations of four unit, 1 x 1 x 1 cubes fits within a transparent, 2 x 2 x 2 cube. Determine which two shapes can make a whole, 2 x 2 x 2 cube when joined together? Keep in mind that unit cubes in each shapes are separate (not joined)...
go to puzzle >
 

Puzzle Mix

Twins by Serhiy Grabarchuk
 
Twins
by Serhiy Grabarchuk
Some of the nine shapes make pairs consisting of two exactly identical shapes each. Shapes of each pair are shown from different directions, but never reflected. How many pairs can you recognize? Which shapes make 'em?...
Puzzles.COM  |  go to puzzle >
Put-Together Puzzles

Put-Together Puzzles

Untouchable 11 by Peter Grabarchuk
 
Untouchable 11
by Peter Grabarchuk
Are you ready to test your puzzle solving skills on cracking a new interactive puzzle created by Peter Grabarchuk specially for the SmartKit Visual-Spatial Puzzle Contest? All three of its challenges pose quite a hard puzzle nut, but for the first solver who manages to perform a puzzle hat-trick and solves all the three challenges there are wonderful prizes...
SmartKit.com  |  go to puzzle >
Put-Together Puzzles

Put-Together Puzzles

The Holey Square Family by Serhiy Grabarchuk
 
The Holey Square Family
by Serhiy Grabarchuk
One of the simplest geometric paradoxes with vanishing areas was described by Martin Gardner in his classic book, Mathematics, Magic and Mystery, in 1956. The paradox is more than two centuries old, but it still attracts attention of puzzlers, mathematicians, and magicians. And that is why there are dozens of different variations based on its principle...
go to puzzle >
Put-Together Puzzles

Put-Together Puzzles

The Tangramion by Serhiy Grabarchuk
 
The Tangramion
by Serhiy Grabarchuk
This is a new assembling puzzle consisting of seven two-sided tiles which initially form a perfect square. Using all the seven tiles, you can solve different challenges both entertaining and cognitive...
go to puzzle >
Put-Together Puzzles

Put-Together Puzzles

The Tangramboard Plus by Serhiy Grabarchuk
 
The Tangramboard Plus
by Serhiy Grabarchuk
The Tangramboard puzzle extended with an additional checkered 3x3 Mini-Tangramboard makes quite a tricky challenge. Its goal sounds simply: "Using all the 11 checkered tiles, assemble one big (5x5) checkered square..."
play >
Coin Puzzles

Coin Puzzles

Coin Triangle by Serhiy Grabarchuk
 
Coin Triangle
by Serhiy Grabarchuk
Nine coins form a triangle on the table. The challenge is to change the triangle into another shape, moving the minimum of the coins. What is the best result you can reach?...
Puzzles.COM  |  go to puzzle >
Sliding Block Puzzles

Sliding Block Puzzles

Four Color Rings by Peter Grabarchuk
 
Four Color Rings
by Peter Grabarchuk
Segments of four color Rings are gliding within each of eight square tiles which can slide within a 3 x 3 tray. The initial position of the tiles features the complete Yellow Ring. Choose a color and slide tiles until a complete Ring of that color is formed. There are three plus one challenge for which you will need to be fully concentrated. But don't forget to have a break after each challenge...
play >
Sliding Block Puzzles

Sliding Block Puzzles

Bumping Squares by Serhiy and Peter Grabarchuk
 
Bumping Squares
by Serhiy and Peter Grabarchuk
This sliding block puzzle consists of eight square tiles. Each tile can be colored into blue or orange color. When a tile bumps another tile it changes its color to the color of the tile it bumps into. I.e. if an orange tile bumps the blue one, the orange tile changes its color into blue. If an orange tile bumps another orange tile it does not change its color. Sounds simply? So give it a try solving a dozen different challenges...
UniPuzzle.com  |  go to puzzle >
Sliding Block Puzzles

Sliding Block Puzzles

The Correct Order Puzzle by Serhiy Grabarchuk
 
The Correct Order Puzzle
by Serhiy Grabarchuk
It is a basic puzzle for this type of sliding block puzzles in a 3x4 tray with nine square blocks which make a 3x3 pattern, and a 1x2 "shuttle" block. The goal is to restore the correct order of the numbers on the square blocks...
play >
Chess Puzzles

Chess Puzzles

G-Knights Exchange by Serhiy Grabarchuk
 
G-Knights Exchange
by Serhiy Grabarchuk
Eight chess knights, four white and four black, placed on the special G-chessboard should exchange their position. Counting a consecutive series of leaps of a knight as one move, can you swap the knights in exactly eleven moves?..
go to puzzle >
Checkered Patterns

Checkered Origami Patterns

The Origami Checkerboard Puzzle by Serhiy Grabarchuk
6-B
The Origami Checkerboard Puzzle
by Serhiy Grabarchuk
The object is simple: Take a square sheet of paper (colored at one side, and white on the other), and performing just "book folds" get a checkered pattern in the minimal number of single folds...
read more >
Dissection Puzzles

Dissection Puzzles

Two Oval Stools to a Table by Serhiy Grabarchuk
 
Two Oval Stools to a Table
by Serhiy Grabarchuk
This well-known, classic puzzle with transformation of two oval stools into a circular table top has long and interesting history. More than 180 years ago, in 1821, John Jackson posed in his book Rational Amusement for Winter Evenings a puzzle how to transform a circle into two hollow ovals...
read more >
Geometric Puzzles

Geometric Puzzles

Arco-Triangles by Serhiy Grabarchuk
 
Arco-Triangles
by Serhiy Grabarchuk
If you take three circles and overlap them as shown in the diagram at right, you can see that the whole shape is divided into seven non-overlapping arco-triangles. An arco-triangle is a shape formed with three arcs which are crossing in three vertices of the arco-triangle...
read more >
 

Puzzle Favorites

Arthur Stone's Flexatube by Serhiy Grabarchuk
 
Arthur Stone's Flexatube
by Serhiy Grabarchuk
It is a great and unique puzzle discovered in 1939. Martin Gardner writes that Arthur Stone discovered the Flexatube somewhat accidentally working on a flexagon, and was very surprised with this discovery...
go to puzzle >
 

Puzzle Hits

Strimko by The Grabarchuk Family
 
Strimko
by The Grabarchuk Family
Strimko is the newest and streamiest play with logic numbers created and developed by the Grabarchuk Family. The rules of Strimko are simple, the play is deep and fun, and the logic is as unique as each Strimko challenge. The Strimko.com website presents a set of three new Strimko puzzles each week both in interactive and printable formats. Enjoy the streamy logic of Strimko!...
Strimko.com >
 

Puzzle Hits

Dice Sudoku by Peter Grabarchuk
 
Dice Sudoku
by Peter Grabarchuk
Another version of a classic Sudoku developed to play with special cards and "standard" dice. You have a set of 6x6 challenge cards ranged from Beginner to Expert; these card can be printed on paper, cardboard, or cloth...
go to puzzle >
 

Projects

Cast Coaster
 
Cast Coaster
by Serhiy Grabarchuk
This is my first puzzle manufactured by Hanayama Toys Co., Ltd. in their famous and unique Cast Puzzle series. The puzzle consists of only three light, metal rings linked into a chain. The rings are to be assembled into a nice pattern which uses ornamental motif of the simplest, three-line braid closed into a loop.
read more >
 

Projects

Fish Crackers by Serhiy and Peter Grabarchuk
 
Fish Crackers
by Serhiy and Peter Grabarchuk
This assembling puzzle is published by Gakken Co. Ltd. in their popular Embrain Series, and manufactured by Chronos Co. Ltd. The puzzle set consists of nine funny tiles, and 48 challenges in 5 difficulty levels are proposed to be solved on the pages of the supplied booklet. Also, you can play some Flash interactive challenges of the Fish Crackers at Kids.Gakken (here)...
go to puzzle >
Games

Games

Loyd, Dudeney and... Galactic Takeover by Serhiy Grabarchuk
 
Loyd, Dudeney and... Galactic Takeover
by Serhiy Grabarchuk
It's amusing to see how things that were interesting to puzzlers many decades ago look fresh and attractive today. Of course, they were presented in a somewhat different manner, but their core is still appealing to their solvers...
read more >
Puzzles

Puzzles

Seven Puzzles for G4G7 by Serhiy Grabarchuk
 
Seven Puzzles for G4G7
by Serhiy Grabarchuk
The Gathering for Gardner (G4G) is the unique biennial event founded in 1993 by Gardner fan and puzzle collector, Tom Rodgers. Getting together in Atlanta, the World's foremost mathematicians, puzzlers and magicians, deeply influenced by Martin Gardner's work and life, bring with them some writings related to the fields of their interest and prepared specially to honor Martin Gardner...
read more >
Puzzles

Puzzles

Puzzle Classics at G4G7 by Serhiy Grabarchuk
 
Puzzle Classics at G4G7
by Serhiy Grabarchuk
Classic puzzles make a substantial and distinctive part within all puzzles available to puzzlers in different forms, real and virtual. Many of them are well-known, and still they hide a lot of surprises which can lead puzzlers to new and improved solutions, while puzzle creators can come up with new challenges and variations...
read more >
*) The full text content of the respective website is automatically translated using the Altavista Babel Fish Translation.
Put-Together Puzzles
Matchstick Puzzles
Sliding Block Puzzles
Coin Puzzles
Chess Puzzles
Checkered Origami Patterns
Origami Strip Puzzles
Dissection Puzzles
Geometric Puzzles
Puzzle Mix
Puzzle Favorites
Puzzle Hits
Puzzle Greetings
Projects
Games
Interactive Puzzle Play
 
Last Updated: February 13, 2014
Posted: August 16, 2005
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