Optical illusion

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Optical illusion

Optical illusion

Can you see the deer silhouette in the background?

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Einstein quote

More about Einstein quotes below

3x3 magic square

This is a 3x3 magic square. In order to solve it numbers from 1 to 9 should be filled in the empty cells so that the sum in each row, column and diagonal would be equal. In the case of a 3x3 grid the sum must be 15. Can you fill it so that each row,column and diagonal has a total sum of 15?






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Did you know?

Optical illusion

Lady or skull?

How many faces can you see?

Killer Sudoku

Killer sudoku is similar to sudoku. No number is revealed explicitly. The sum of numbers in a sudoku puzzle is given as clue.

What is wrong with this castle?

KenKen logic game

KenKen is a japanese puzzle game similar to Sudoku or Kakuro. You have to deal with numbers, in this case it is a 4x4 grid so you have to fill each row and column with numbers   1,2,3 and 4. Groups of boxes are surrounded  by bold lines which are called cages. Cages can be one ore more in rows, columns or L shaped  and each cage contains a number and the mathematical operator. To fill the cells in the cage you need to  combine numbers with the operator. The more grids the harder KenKen becomes. 9x9 grids are difficult puzzles.

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Floating Maze

Real world illusion

Einstein quote

Which is the identical to the read shape?

Which of the seven shapes is identical to the red one? There may be more than one which is exactly the same.

Optical illusion

A rebus

Optical illusion

Optical illusion

Kakuro puzzle

How to play kakuro

Learn more about kakuro puzzle below:

Optical illusion

Bridge or ship

Maze

Can you find the way out?

Brain teaser

Spinning Ladybugs Illusion

Convex or Concave

A hill or a crate? Another  convex or concave illusion.

Another Einstein quote

Natural tree

Moving wheels

How many human faces can you count?

Secret words

How many words can you read ?  Except 'victory' written in black there is also the word 'defeat' in yellow.

In white there is the word "Optical" while in blue is the word "illusion"

How many squares can you count ?

White knight sudoku

Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 7 and two chess knights. No knights attack each other.

Optical illusion

How can this be true

Krychle Sudoku

Can you solve this extreme sudoku??

2 lines puzzle

Fill in digits from 1 to 9. Make sure there are no neighbouring cells  with equal and consecutive digits.

Optical illusion

Am i wrong or it seems like it is moving...

Optical illusion

Find the missing object.

Are the horizontal lines parallel or do they bend?

Your eyes are fooling you. Actually the horizontal lines are perfectly parallel but the image is an illusion that gives your eyes the idea of bending lines.

Funny brain trick

Read it correcly...

Brain training

Find the way out

A rebus

Rebus