Sam Loyd

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

The Lost Star
The Lost Star
by Sam Loyd
Several triangles and quadrangles joined together create an intricate pattern where some perfect star is hidden. Discover that lost one.
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TLs
TLs
by Sam Loyd
Can you pack a checkered T-shape and seven checkered L-shapes into a regular 8x8 checkerboard so that to completely fill it in a way that dark and light cells are properly alternating?
Play  |  Download  |  Checkerboard Puzzles
The Missing Link
The Missing Link
by Sam Loyd
Imagine you have six pieces of gold chain. It's a simple idea to join them into an endless chain, but how to find the cheapest way for this?
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Pearls in the Grid 2
Pearls in the Grid 2
by Sam Loyd
How many balls can you place on a square 8x8 grid so that no three of them are lying on a straight line? What can be the possible limit?
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Read the Message
Read the Message
by Sam Loyd
Some message is hidden in a grid in which only several cells are shaded. Should any special approach be employed to read the message clearly in the grid?
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The Mars Tour
The Mars Tour
by Sam Loyd
Travel through all the cities on the Mars' surface so that you can spell a complete English sentence at the end of your trip. There are some doubts if such a trip is ever possible. What would you say?
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In Ancient Greece
In Ancient Greece
by Sam Loyd
Make your own virtual travel to discover the secret of an ancient symbol. The main thing is to make the journey as straight as possible.
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The Quarrelsome Neighbors
The Quarrelsome Neighbors
after Sam Loyd
Help three neighbors to plan uncrossing pathways from their houses to their park's gates. Hopefully this will reconcile them!
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The New Star Puzzle
The New Star Puzzle
by Sam Loyd
Explore the celestial map and try to discover a new star of the first magnitude. You have to know that this new star doesn't touch to any other one.
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Puzzling Journey 2
Puzzling Journey 2
by Sam Loyd
Get through the three gates placed on the 8x8 board, visiting all of the 64 cells only once. Enter the board at the red gate, pass under the green and leave at the blue one.
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Five Routes
Five Routes
after Sam Loyd
Help each of the five men to reach their respective houses without crossing the routes of the rest four. Finding the proper routes leading to the aim is always a good challenge itself.
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The abc Arithmetics
The abc Arithmetics
by Sam Loyd
When 2 is multiplied by 2 it produces the same result as when 2 is added to 2. It is 4 in both cases. Can you think of another pair of numbers with the same arithmetical feature?
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Divisible By 7
Divisible By 7
after Sam Loyd
Three cubes with three numbers on them should be arranged to create a number divisible by 7. But is there a way to arrange the cubes in order to get the proper number?
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The Battle of the Four Oaks
The Battle of the Four Oaks
by Sam Loyd
A square piece of land challenges you to divide it into four identical parts. Maybe it would be easy if there were not four ancient oaks...
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The Sedan-Chair Puzzle
The Sedan Chair Puzzle
by Sam Loyd
A sedan chair is useful for not too distant trips. But what to do when it rains? Close the sedan chair up and get a covered square box in the simplest possible way!
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The Good Luck Puzzle
The Good Luck Puzzle
by Sam Loyd
Get the good luck horseshoe be divided into seven lucky pieces. Just find your own lucky cuts while dividing and remember they should be only two.
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The Patch Quilt Puzzle
The Patch Quilt Puzzle
by Sam Loyd
What is the minimum number of the square patches needed to sew a patch quilt of a perfect square? Have you ever asked the patch quilt makers about it? No? Then ask.
Play  |  Download  |  Mini-Contests
The Moon Challenge
The Moon Challenge
by Sam Loyd
A crescent, five straight cuts, and a task of how many pieces can be obtained with those cuts? What is the maximum possible number? Does the crescent form make an advantage?
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Route of the Six Stops
Route of the Six Stops
by Sam Loyd
The Postman's route runs through a dozen of houses, but this day he only needs to visit half of them. The challenge for him is to choose the shortest route. Can you help the Postman with that?
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Simple Train Exchange
Simple Train Exchange
after Sam Loyd
Help two trains to pass by safely on a narrow segment of railroad using only a switch that is large enough to hold either an engine or a car at a time. So how on this simple exchange?
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A Battle Royal
A Battle Royal
by Sam Loyd
Make the pieces of the broken chess board be rearranged to bring the board again to the life and to make it available for the next chess games.
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Trapezoidal Tangram
Trapezoidal Tangram
by Sam Loyd
A trapezium is divided into five simple pieces. It is stated several more shapes can be created when the pieces are rearranged. What are these shapes? Can you create all of them?
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Get a Greek Cross
Get a Greek Cross
by Sam Loyd
A colorful set of seven pieces which have to be arranged into a Greek cross. You can rotate the pieces or turn them over, but not overlap or damage. How perfect your final shape of the cross will be?
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Saddle the Horses
Saddle the Horses
after Sam Loyd
Arrange the three cards so that each rider is in his correct riding position on top of each horse.
Play  |  Download  |  More Millennium Puzzles
In Puzzleland
In Puzzleland
by Sam Loyd
Nine coins. Placed in a square they form eight rows of three coins each. Theory states they can form more rows of three coins. How to get it in practice?
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Last Updated: June 25, 2011 top
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