Puzzles and Brain Teasers

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Puzzles and Brain Teasers

A great game is one that you want to play over and over. Solve a tangram or nim challenge, or try out math games from around the world.

Puzzles and Brain Teasers

Magic Squares

Solve the Magic Square and find out why this Chinese puzzle has been intriguing people for more than 4,000 years.


Play the oldest known continuously played game in history—in fact, a board was found carved into the stone pyramid of Cheops in Egypt.

Shongo Networks

Play this fun pattern game from the Democratic Republic of Congo to discover whether networks are traceable and, if so, whether there are multiple ways to trace them. You'll learn an important part of network or graph theory.


Explore games of perception and discover how dogs and cats see things differently than you.

Get Inspired

Discover games that have been played for thousands of years. Challenge your friends and family to a battle of wits with a super-sized Kalah and a field hockey ball Nim game.


Be a Mathematician

Use logic and game theory to devise a winning strategy in Nim and Magic Squares. Identify and complete patterns in Shongo Networks. Hone your logic skills in Kalah and Games of Alignment. Use spatial visualization and logic to predict pathways and opponent moves in Hex.

Build a Better World

Master these games and you are mastering key mathematical techniques and concepts that can be applied to problem solving in science, engineering, and your everyday life. Who knew building a better world could be so much fun?