Brain Teasers, Puzzles and Games for Teens and Adults

Here you can enjoy the 25 Brain Teasers, Puz­zles & Games that Sharp­Brains read­ers (pri­mar­i­ly adults, but younger minds too) have enjoyed the most since 2010.

It is always good to learn more about our brains and to exer­cise them!.

Fun teasers on how our brains and minds work:

1. You think you know the col­ors? Try the Stroop Test

2. You say you can count? Check out this brief atten­tion experiment

3. Test your stress level

4. Guess: Are there more con­nec­tions in one human brain or leaves in the whole Amazon?

Challenge your cognitive abilities with these brain teaser games:

5. Quick brain teasers to flex two key men­tal muscles

6. Count the Fs in this sentence

7. Can you iden­tify Apple’s logo?

Visual illusions:

8. Ten clas­sic opti­cal illu­sions to trick your mind

9. What do you see?

10. Fun Men­tal Rota­tion challenge

11. What is going on with these pictures?

Language and logic mind teasers:

12. Which way is the bus head­ing?

13. Where do words go?

14. Join this par­ty for polyglots

15. Fun & Brainy Haikus. Yours?

A few visual workouts to challenge your mind:

16. Is a cir­cle a circle?

17. Less obvi­ous than it may appear

18. How many…

How’s your pattern recognition?

19. Proverbs to exer­cise your mem­ory and reasoning

20. Find the miss­ing num­ber in The Emp­ty Triangle

21. Good puz­zle for the whole brain: The Blind Beggar

22. Find the the Real­ly, Real­ly, Real­ly Big Number

Fun brain teasers for the workplace:

23. Please con­sider Lin­da’s job prospects

24. A few guessti­ma­tions often used in con­sult­ing and tech interviews

25. How many golf balls can fit in a school bus?