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NEW
When You Laugh With Me...
by Shelly Hazard
John Cleese, a popular British actor and comedian, discusses why he feels making people laugh is important in this month's puzzle.
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Replacing the Car
by Shelly Hazard
Don needed to replace his old car. So he figured out his budget and spent a month looking at new cars and used cars at different dealerships. At the end of the month, he had narrowed his options down to five possible cars. He was very surprised when he realized that his final five choices were all from different manufacturers...
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Grandma's House
by Martin Gardner
Sandy’s grandmother lives in an old one-storey house. There are many connecting doors between the rooms. One day, Sandy wanted to find a route that would take her through each door exactly ones. Help Sandy find a route. The illustration shows three different houses’ plans as three separate challenges.
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NEW
Eight Checkered L's
by Peter Grabarchuk
Checkered capital L-shaped pieces have to create an ordinary 8x8 chessboard. Your goal is just to find their proper positions within it. Guess it will be easy?
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English 16
from Bob Kirkland
The English 16 puzzle was very popular in Victorian England and Europe. The puzzle applet was written by Bob Kirkland as a birthday gift for our site. In Our Collection English 16 is the first item. Enjoy this puzzle classic!
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Doodle Fit
by Gamelion Studios
The task in Doodle Fit is simple: fit the given sets of blocks into the given shapes. Drag the blocks into positions in search for the layout that covers the whole shape. A level is complete when all blocks have been used and there is no more space free in the shape. Great game experience for your iPad and iPhone.
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NEW
by Tapps Tecnologia da Informação Ltda
Also known as Arukone, the premise of this puzzle game is very simple: connect the pairs of numbers without leaving any empty square in the board. But don't underestimate this brain teaser, it looks easy but it's a real challenge! Made specially for your iPhone and iPad.
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Laser Maze
by ThinkFun Inc.
Get fired up over the first logic game with a real laser! Beam, bend and split a laser using mirrors and targets to solve 60 challenges created by four-time World Puzzle Champion Wei-Hwa Huang. Solo play, ages 8 to adult.
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Step the Square
after Girolamo Cardano
How to convert a perfect square into a rectangle of the same area simply by dividing it into two pieces? Which technique should be employed for this dissection?
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Acute Dissection
by Mel Stover
It is required to dissect an obtuse triangle into acute triangles only. The first question is whether it is possible at all? If the answer is "Yes", then the next question would be "How?"
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NEW
A Man's Oath
by Shelly Hazard
Aeschylus, an ancient Greek playwright, observes the value of a man's oath in this month's puzzle.
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NEW
GridWorks 093-094
from ThinkFun Inc. and The Grabarchuk Family
Place the nine colored tokens on the 3x3 game grid in a pattern that matches the clues.
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What's New
|  June 16, 2013
|  June 16, 2013
|  June 16, 2013
|  June 16, 2013
|  June 13, 2013
|  June 10, 2013
|  June 10, 2013
|  June 6, 2013
|  June 5, 2013
|  June 5, 2013
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 Last Updated: June 16, 2013