Serhiy Grabarchuk
Home / Puzzle Playground / Authors /

This page gathers all puzzles presented at Puzzles.COM, which are either created by Serhiy Grabarchuk or made after some of his puzzle ideas.

 Columbus Easter Egg by Serhiy Grabarchuk The Egg consists of differently colored parts. Which is bigger - the total area of the light parts (yellow tones) or the total area of the dark parts (blue tones)? Play  |  Download
 Four Easter Eggs by Serhiy Grabarchuk Divide each of the four shapes, the ring and three circles, into the minimal number of parts so that they can create four equal eggs. Play  |  Download
 Triangles in Coins by Serhiy and Peter Grabarchuk How many right isosceles triangles of any size and orientation can you find in the shape? To count, the triangle must have three coins placed exactly at its respective corners. One triangle is already shown. Play  |  Download
 DoubLetters: Perception by Serhiy Grabarchuk Place the cards in a line to form a real word. Hint: It's related to perception. Play  |  Download
 Impossible Object by Serhiy Grabarchuk This object looks to be assembled of three rods and one frame. Do you think you will be successful, if you try to make it? Play  |  Download
 Arrows by Serhiy Grabarchuk A distance when pointed from different directions may looks different. Despite this amusing illusion can you find two exactly identical distances? Play  |  Download
 Square-Cocoon-Butterfly by Peter and Serhiy Grabarchuk Divide a square into some minimal set of pieces so that while rearranged they could create two different shapes, one resembling a cocoon and another - a butterfly. Play  |  Download
 Block Twins by Serhiy and Peter Grabarchuk Six shapes, each arranged of unit cubes, are duplicated into a twin-set. Definitely, the twin-set at first glance doesn't look like the original one, but it still contains the same shapes. The goal is to discover all six pairs. Play  |  Download
 Coin Triangle by Serhiy Grabarchuk Change the triangle into a square by moving the minimum of the coins. How many coins will you need to move to do this? Play  |  Download  |  Coin Puzzles
 The Knossos Labyrinth by Serhiy Grabarchuk You are an architect and you have to restore the labyrinth after the fragments of an old plan. What would be your starting point through these ancient walls? Play  |  Download
 The Unicursal Marathon by Serhiy Grabarchuk A dozen of figures and supposed all of them can be drawn in one continuous line. But what if not all can be drawn so? Now it's a challenge for you - to find out the truth. Play  |  Download  |  Mini-Contests
 Hexa-Snakes by Serhiy and Peter Grabarchuk Three color snakes, each of the same length but of the different shape. Just put them all onto the hexagonal board. The snakes can be freely rotated and flipped over but not overlapped. Play  |  Download
 Triangle Folds by Serhiy Grabarchuk Three rectangles to an equilateral triangle! Should there be any mystery or you simply have to fold them - precisely one fold for each rectangle? Play  |  Download
 MatchBox Slide by Serhiy Grabarchuk Stop a matchbox on its sliding way down along a thread exactly where you are asked. Play  |  Download
 Where Is the 5? by Serhiy Grabarchuk Four pieces form a square with the magic square on it. Just flip over the pieces and try to make a square once again. Can you say why does a part of it disappear? Play  |  Download
 Pencil Illusion by Serhiy Grabarchuk Slowly scroll the page down and... you may see something unusual. Play  |  Download  |  Version for Pocket PC
 Rainbow Necklace Trick by Serhiy Grabarchuk Show to your spectators which bead was chosen by one of them from any of seven necklaces you demonstrate. Play  |  Download
 Card Fan by Serhiy Grabarchuk Change instantly cards in a small fan of four cards before your audience. Play  |  Download
 Thumbtacks by Serhiy Grabarchuk A paper toy being classic for many years, but this time adapted for a thumbtack theme. Of course, it's not a new standard for the thumbtacks - just a new dimension. Play  |  Download
 Three Hares by Serhiy Grabarchuk An old tricky puzzle transformed for the matching card version. The idea remains to distribute three ears between three hares to give every hare... two ears. Play  |  Download
 The Hedgehog by Serhiy Grabarchuk It may be easy to make the hedgehog running in another direction with moving only two matches. But what about moving three or more matches? Play  |  Download
 Square & Division by Serhiy Grabarchuk It's easy to divide in half a 2x2 match square with only two matches. But how to perform the same division to the same square if there are four matches? Play  |  Download
 Point the Center by Peter and Serhiy Grabarchuk Only one of the nine arrows points exactly into the center of the circle, all of the remaining are only close to it. Can you guess without any additional measures which one is it? Play  |  Download
 Last Updated: April 8, 2012 top
 Discover More