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Knowledge - Brain Games

So you think you’re a whiz kid? Test your genius skills with these fun (and challenging) brain games. Your mind will thank you.

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30 Printable Crossword Puzzles

How many answers can you get correct on these printable crossword puzzles?

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How Many States Can You Identify on a Completely Blank Map?

Think you know where most of the U.S. states are located? See if you can still pick them out when...

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Periodic Table Quiz: Can You Guess the Element from Its Chemical Symbol?

How much do you remember from your high school chemistry class? Find out with this quiz on the periodic table...

Can You Spot the Hidden Turtle in This Picture? Over 60% of People Can’t

Apparently women can solve the puzzle faster than men.

Can You Pass This Brainteasing Color Quiz?

If you're an artist or work in graphic design, this quiz will be a breeze. Do you think your eyes...

Can You Pass This Quiz of 4th Grade Spelling Words?

How many can you get right? No peeking at a dictionary for this surprisingly tricky 4th grade spelling words quiz.

How Many Squares Do You See in This Puzzle?

How many squares do you see? Hint: There are way more than meets the eye!

10 Sudoku Tips and Tricks for Beginners

Whether you are ready to learn how to play Sudoku or consider yourself a puzzle master, here are Sudoku tips,...

Jigsaw Champions Reveal How to Solve a Jigsaw Puzzle Fast

Whether you sit down for a 300 or a 2,000-piece jigsaw puzzle, these strategies will help you complete it quickly.

This Is What Happens to Your Brain When You Do a Puzzle

Puzzles can help boost your brainpower—see how your sudoku or crossword puzzle passion helps sharpen your wits.

What Is Practical Intelligence and Can It Be Improved?

If you think IQ is the only measure of intelligence, we invite you to learn about practical intelligence

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Diesel vs. Gasoline: What’s the Difference?

Increase your IQ at the pump—and make sure you're choosing the right fuel for your car.

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Can You Guess the Movies That Made These Quotes Famous?

Calling all movie buffs! Prepare to put your knowledge to the test.

How to Win Monopoly, According to a Monopoly World Champion

Houses or hotels? Orange properties or railroads? A world-champion Monopoly player offers his best strategies for how to win Monopoly,...

Can You Solve the Brain Teaser Elon Musk Asked in Job Interviews?

We admit, this question definitely stumped us.

13 Words That Will Help You Solve Almost Any Crossword Puzzle

Brush up on your crosswordese—those three- to five-letter, vowel-heavy words that frequently fill your puzzle grid.

14 Tricky Crossword Puzzle Clues That’ll Leave You Stumped

Ready for a challenge? These prime examples of wordplay and crossword lingo will give your brain a workout.

Can You Tell What’s Wrong with These Pictures? More Than 1 in 3 People Can’t

You might be suspicious of a model with zero wrinkles, but you're probably less likely to spot when a dog...

Fewer Than 1 Percent of People Can Pass This Color Test. Can You?

Naming the colors in the rainbow is easy, but can you differentiate between the different shades of yellow?

13 Secrets to Acing Crossword Puzzles

Here are the tips and tricks to make you an ace crossword puzzle solver. Sit back, put on your thinking...

The World’s Hardest Maze Only Geniuses Can Solve

Lose yourself in the most challenging maze: If you can find a way to solve it, you can consider yourself...

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Finally! We’ve Uncovered What H&M Stands For

Put your fast-fashion IQ to the test and find out what H&M really stands for

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Can You Guess the Movie Based on Just One Photo?

These aren’t the iconic scenes from your favorite movies, so it’s pretty hard to guess! How many can you get...

Can You Solve the World’s First Crossword Puzzle?

Up for a challenge? Take a stab at completing the first crossword puzzle ever published.

This Man’s Tombstone Features a Cryptic Crossword Puzzle—Can You Solve It?

Eighty years before the first crossword puzzle, this tombstone spun word nerds' heads.