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Mirror Readoku

the game, in reverse


Sudoku is a number logic and process of elimination puzzle.

Mirror Readoku requires one more key talent:


Mental Rotation


The ability to manipulate imaginary objects in space is a
core spatial strength and central to an array of everyday skills.


Mental rotationability may be practiced and improved in fun ways.


True, Mirror Readoku can heat your brain the first 30-seconds –
enjoy the mental strain. Keep track of your time.

You don’t have to be a good Sudoku player to be a
great Mirror Readoku player.


Copy, paste, print and check Mirror Readoku out for yourself.


Mirror Readoku plays in the usual way. You don’t even have to write the numbers backwards – though it may increase your speed you if you do.


The point is to accomplish a familiar task of numeric logic, and engage regions of the brain specifically associated with mental rotation.

Quickly and Efficiently.


Observe your own strategies of problem-solving, mentally juggling numbers while applying the rules of the Sudoku grid.


Catch yourself in the act of learning.

Bragging rights for the puzzler
who finds the numbers first in these unique grids. 


Studies of Sudoku take it through the looking glass.
Who’s interested?

Plenty of people!


What intrigues researchers are the spatial aptitudes involved, and the transferability to real life tasks.

The ability to efficiently turn mental images, digits, words or concepts over in our minds is a sought-after skill. 


Research on neuronal, and real life, benefits of playing Mirror Readoku, and Mirror Reading, are in progress. To get involved, please contact Dr. Shelagh Robinson.

Print out your own

Mirror Readoku Puzzles
for free!


Mirror Readoku Gallery


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