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Play Numberle now! You need to guess the math puzzle in 6 tries! This math game is similar to Wordle, only with numbers and arithmetic signs.

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If you see a network or MIME error, try another port (stop other dev servers), hard refresh, or run from the project root after npm install.

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The Loop, a daily picture puzzle game | Britannica

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Everything is connected: Arrange the pictures in a circle so that all links make sense. You have five tries to get it right.

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If you see a network or MIME error, try another port (stop other dev servers), hard refresh, or run from the project root after npm install.

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A math blog by Sian Zelbo for elementary and middle school. Emphasizes problem solving and mathematical reasoning.

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Play Pips, our new dominoes game for all skill levels.

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Every domino has a spot. Can you find where each belongs?

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Say What You See - Google Arts & Culture

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Learn the art of image prompting with the help of Google AI.

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Can you spot the odd one out? Guess the AI generated "imposters" hidden among the artworks on Google Arts & Culture.

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Paste your game results above if sharing on Facebook.

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Copyright © 2020 Blue Ox Family Games, Inc. 7 Little Words is a registered trademark of Blue Ox Family Games, Inc. All rights reserved worldwide.

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Welcome to the world's largest web site devoted to logic puzzles! We've got more than 25,000 unique puzzles available for play, both online and the old fashioned way - with pencil and paper. Feel free to solve online just for fun, or, for an added challenge, register a free account and compete against thousands of other solvers to make it into our Logic Puzzle Hall of Fame!

Start a New Puzzle "

Logic puzzles come in all shapes and sizes, but the kind of puzzles we offer here are most commonly referred to as "logic grid" puzzles. In each puzzle you are given a series of categories, and an equal number of options within each category. Each option is used once and only once. Your goal is to figure out which options are linked together based on a series of given clues. Each puzzle has only one unique solution, and each can be solved using simple logical processes (i.e. educated guesses are not required).

A custom-labeled grid is provided for every puzzle, like the one you see to the right. The grid allows you to cross-reference every possible option in every category. You can eliminate pairs you know aren't true with an X, and pencil in pairs you know are related with an O. If you know, for example, that Lauren wasn't born in 1961, you can add an X in the box where the Lauren column and 1961 row meet. Similarly, if you know that Bryant was born in 1971, you can add an O in the appropriate box. Furthermore, since every option can only be used once in any given puzzle, you can eliminate the four other options for Bryant in that category (1937, 1946, 1961, 1975) and the four other options for 1971 (Anahi, Jayden, Lauren and Nikolas).

Continue doing this for every clue you're given. Eventually you will have filled in enough X's and O's on the board that you will then be able to use simple logic to deduce the solution to the puzzle. For example, if A = B, and B = C, then A must equal C. Similarly, if A = B, and B =/= D, then A must not equal D.

The logic puzzles you've come to love from Puzzle Baron, now on your favorite tablet! New features like multi-level undo, auto-x abilities and custom error checking make logic solving a breeze. Try it now on your favorite tablet by choosing the appropriate link below!

You'll never have to register an account to play on this site, but there are several reasons you may want to play as a registered user:

IT'S FREE! :-)

Monthly Competitions - registered players are automatically entered into our monthly scoring competitions, and are eligible for our Hall of Fame listings. Record solve times are also kept exclusively for registered members.

Resume Puzzles - save your progress on any puzzle and return to finish it later anytime within 24 hours.

Premium Upgrades - registered users are eligible for premium upgrades which remove all advertising from the site and result in a noticeably larger playing area on the puzzle solving page.

If any or all of the above features sound good to you, click on the button below to register for a free account:

Register for Free "

Highest Score

1000000 pts.

Highest Score

722306 pts.

Highest Score

633311 pts.

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Welcome to the world's largest web site devoted to logic puzzles! We've got more than 25,000 unique puzzles available for play, both online and the old fashioned way - with pencil and paper. Feel free to solve online just for fun, or, for an added challenge, register a free account and compete against thousands of other solvers to make it into our Logic Puzzle Hall of Fame!

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Google Arts & Culture features content from over 2000 leading museums and archives who have partnered with the Google Cultural Institute to bring the world's treasures online.

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Optical illusions and other visual oddities.

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Japanese-type Puzzles
See all of the Japanese-type puzzles, such as Sudoku, Skyscrapers, Nonogrids, etc (lower down this page).

View All Puzzles
View all of the 800+ brain teasers, riddles, and other classic puzzles.

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Brain teasers, mazes, and Japanese-type puzzles.

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https://research.google.com/semantris/

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Guess the hidden word in 6 tries. A new puzzle is available each day.

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How many words can you make with 7 letters?

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Chess.com - Play Chess Online - Free Games

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Play chess online for free on Chess.com with over 100 million members from around the world. Have fun playing with friends or challenging the computer!

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Multiplayer
New Game Open 3 Cards
Find Set

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This popular logic puzzle is a numbers game, minus the math.

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Tutorial

Factris is a classic risk reward high score game. Just like in Tetris, you have to arrange falling blocks using the arrow keys, and when you fill an entire row, it disappears to make space for new blocks. However, there are two key differences:

The blocks are always rectangles of varying sizes. Rather than rotating them, you can "refactor" them. For example, a block might start out as 12×1 tiles, but by pressing the up key, you can successively change its size to 6×2, 4×3, 3×4, 2×6 and 1×12.

You can exponentially more points if you complete multiple rows at once. Every tile in the first row is worth 10 points, every tile in the second row is worth 20 points, then 40 points, 80 points, 160 points, and so on.

There is no undo, so you need to pay close attention to the size of the rectangles coming next. Improve your numeracy, packing and knowledge of factors with Factris!
Factris was invented by Richard Lissaman at MEI. This version was designed and developed by Philipp Legner.

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Factris is a fun game that teaches about simple arithmetic, divisibility and factorisation.

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GeoGuessr is a geography game which takes you on a journey around the world and challenges your ability to recognize your surroundings.

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The Fact Site is the #1 source for the most interesting and fun facts. Get a daily dose of facts about animals, celebs, food, history, space, and more!

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KenKen Puzzle Official Site - Free Math Puzzles That Make You Smarter!

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“The most addicting puzzle since sudoku” Will Shortz, NY Times puzzle editor