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79 Brain Games Guaranteed to Boost Your Brain Power

Your brain isn’t a muscle—in fact, it’s mostly fat!—but the right kind of mental exercise can help keep it 
in shape. These puzzles are designed to give your problem-solving, reasoning, and concentration skills 
a workout. And they come in varying degrees of difficulty, so pace yourself!

math with matches question illustration

Math with matches

Change the position of two matchsticks in order to create a correct equation.

math with matches solution illustration


anonymous calendar pagesMarcel Danesi

Presidents' Day

George, William, John, Abe, and Millard have their birthdays on consecutive days. This year, all their birthdays land between Monday and ­Friday. Can you figure out whose birthday is on each weekday?

  • George’s birthday is as many days before Millard’s as William’s is after Abe’s.
  • John is two days older than Abe.
  • Millard’s birthday is on Thursday.
smiley face calendar pagesMarcel Danesi


Monday: John; Tuesday: George; Wednesday: Abe; Thursday: Millard; Friday: William.

locking doors question illustrationDarren Rigby

Locking doors

Each of the symbols in this diagram represents a door that is closed but unlocked. When you open a door, all the other doors with the same symbol become locked and cannot be passed through. Can you get from one side of the maze to the other?

locking doors answer illustrationDarren Rigby


mix it up text

Mix it up

An anagram is a word or phrase created by rearranging the letters of a word or phrase into a new term. We call the ones below super-­anagrams because the mixed-up phrase creates a loose definition of the original. For instance, “acts phony” and “sycophant.” Can you figure out the super-anagrams for these terms?

  1. Moon starer
  2. Bad credit
  3. Bag manager
mix it up text


  1. Astronomer
  2. Debit card
  3. Garbage man

Can you find all of the hidden shapes in this photo?

high point question illustrationMarcel Danesi

High point

What’s the missing number?

high point answer illustrationMarcel Danesi


4. The number at the center of each triangle is equal to the sum of the numbers at its base multiplied by the number at its apex. For example, (8 + 3) x 2 = 22.

View Slides 41-50
View Slides 21-30
Originally Published in Reader's Digest