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Brain Teasers and Games for the Brain: Test your Brain

Frontal LobesIt is always good to stimulate our minds and to learn a bit about how our brains work. Here you have a selection of the 50 Brain Teasers that people have enjoyed the most in our blog and speaking engagements.

Fun experiments on how our brains work

1. Do you think you know the colors?: try the Stroop Test.

2. Can you count?: Basketball attention experiment (Interactive).

3. Who is this?: A very important little guy (Interactive).

4. How is this possible?.

5. Take the Senses Challenge (Interactive).

6. Are there more brain connections or leaves in the Amazon?.

AttentionTwo In One Task

7. How are your divided attention skills? check out “Inside and Outside” (Interactive, from MindFit).

8. Can you walk and chew gum at the same time? try “Two in One” (Interactive, from MindFit)

9. Count the Fs in this sentence.

10. What do you see? can you alternate between 2 views?.

MemoryPicasso Task

11. Easy one…draw the face of a penny, please.

12. Proud of your visual short-term memory? Give a try at “Picasso”. (Interactive, from MindFit).

Pattern recognition and planning

13. Planning is not that easy: Towers of Hanoi (Interactive).

14. What’s the missing number: Pattern Recognition Brain Teaser.

15. Brain Puzzle for the Whole Brain: The Blind Beggar.Sharp Brain

16. Find the missing number in The Empty Triangle.

17. What about Tipping the Scales.

18. Don’t be misled by this brain workout.

19. Please find the missing number here.

Visual workouts

20. Test the limits of your peripheral vision with this challenge (Interactive).

21. How many…: Train your Frontal and Parietal lobes.

22. Is a circle a circle?: Visual Perception Brain Teaser.

23. Mental Imagery and Spatial Rotation challenge.

24. What piece fits here?.

25. Can you mentally build this box?.

Visual Illusions visual illusion of paralel lines

26. The Muller-Lyer Illusion (Interactive).

27. Don’t try this with your partner, or you may fight.

28. How many colors do you see in The Hermann Grid.

29. This is less obvious than it may appear.

30. Is this a circle or what?.

31. The limits of our perception-and perfection.

32. Are these 2 rows parallel?.

33. What do you see.


34. Who’s the eldest?: Reasoning Skills Brain Teaser.

35. Join this Party For Polyglots.

36. Solve Dr. Nasty’s Giant Cube.

37. Which way is the bus heading?.

With a Corporate angle

38. Collection of Stress Management exercises. Partners

39. Some Google/ Microsoft Brain Teasers used in interviews.

40. A few guesstimations like the ones I was asked in McKinsey interviews years ago.

41. More guesstimations.

42. Your last Aha! moment?.

43. Can you read these faces.

Math puzzles

44. Choose the right Fork in the Road. Cube

45. Find the the Really, Really, Really Big Number.

46. Hard: The Unkindest Cut of All, Part 1 of 2.

47. For geniuses: Concentric Shapes or The Unkindest Cut of All, Part 2 of 2.

Tough to categorize

48. Clinically proven Stress Management tip.

49. Enjoy this Sunday Afternoon Quiz.

50. Can you write a haiku describing your experience doing some of the previous teasers? The simple rules: write 3 lines, which don’t need to rhyme, containing 5,7, and 5 syllables. You can leave your haiku as a comment for extra points…

Note: everyone, including feed readers, THANK YOU for helping Digg this story. We made it to Digg’s Home Page, so more people than usual were able to stimulate their brains:-)

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18 Responses

  1. Terry says:

    Hello Mr. Fernandez,

    Your ASA Autumn Series presentation on “Teaching Brain
    Fitness in Your Community” was really terrific. It
    confirmed lots of information I already knew and
    taught me a bit as well. Very nicely organized and
    clearly explained. Thank you!

    Here’s my haiku:

    New information

    Synthesizing my knowledge

    A forward movement

  2. carlos says:

    A genial idea

  3. Frank says:

    Painfully easy
    Significantly harder
    Mental stimulus

  4. Chuck McKay says:

    This was fun, and no, I don’t intend to haiku. Thanks for posting it.

  5. Mark says:


    I thought I did well
    Then I reviewed my answers
    I am retarded

  6. Alvaro says:

    Terry, Frank and Mark, great haikus!

    Chuck, yours is great too:-)

    This was fun, and no,
    I don’t intend to haiku.
    Thanks for posting it.

    Terry: thanks for your kind words. I am emailing some materials to all participants tomorrow.

  7. Sarah Rolph says:

    finding your teasers
    added fun to my morning,
    helped wake my brain up

  8. Alvaro says:

    Sarah, thanks for sharing such a nice haiku 🙂

  9. Meryl Lumboy says:

    hey! your site is really great!

  10. Lorraine says:

    teaching math is fun
    when you find great resources
    sharp brains is the place

  11. Alvaro says:

    Thank you to all who wrote a Haiku 🙂

  12. holmz says:


    Fun calculations?

    I can not believe it’s true.

    Calculation’s fun!

  13. Beatrice says:

    General question-does anyone know a good source for plexers? I’ve ordered the two books, “Plexers” and “More Plexers” but would like to find others, or websites with more than one page of them, if possible. Thanks in advance!

  14. navtej kohli says:

    I was searching for this kind of a blog for months now. Actually lost the hope of finding one, but here I am 🙂 Thanks for the great quizes!

  15. Alvaro says:

    Navtej, thank you for finding us! we need readers 🙂

    Please keep enjoying it, and let us know any suggestions!

  16. Pieter says:

    Great site, would like advanced riddles.

  17. stretched the mind
    eyes closing tightly

  18. Kaye says:

    Loved this list! Will be tweeting it and saving it 🙂 I did terrible at the colors but GREAT at the letter F 🙂 Thanks.

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