Free Printable Hitori Puzzles


If you want to print and solve our Hitori logic puzzles, click on the images below. We have quite a collection of the 5 by 5, 8 by 8, 10 by 10 and 12 by 12 printables! Print our PDF's and have fun.



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The 3 Rules of Hitori


1. No duplicate numbers in rows and columns.

how to play Nikoli puzzles In the first row of this 5 by 5 Hitori puzzle there are 2 duplicate couples: there are 2 ones and 2 threes. This is not possible and we have to shade or black out a one and one three. Which ones? Well that's up to you to figure out (more on that later)


2. Shaded cells may not be horizontally and vertically adjacent.

Where to find printable Hitori puzzles In the last row we find 3 fives. Because shaded or colored (or blacked out) cells may not be horizontally or vertically adjacent, we may not shade the five in the middle. One of the first tactics to solve a Hitori puzzle is to scan for triplets as they make it easy to eliminate the first numbers in the Hitori puzzle.


3. White cells must form a single component and not be isolated.

Hitori puzzle rules The remaining white cells must form a single component and not be isolated from each other. In the first row we see 2 fives. If we would shade the first 5, the 2 in the left corner would be isolated from the other white cells. We have to shade or color the five in the right corner.


General Solving Strategies for Hitori Puzzles


Many Hitori addicts (lovers) circle the numbers that may or cannot be shaded as a visual aid. Hitori is basically an elimination puzzle, where a cell is shaded or not. Elimination helps you solving the puzzle. Here follow a couple of basic techniques:

Numbers between pairs

Hitori strategiesThe circled 5 is between a pair of 4's and may not be shaded. Because 1 of the 2 fours needs to be shaded, the 5 cannot. A shaded four and a shaded five would become horizontally adjacent (against rule 2!)


Numbers around a Shaded Number cannot be shaded

useful tips for solving HitoriWhen you have determined that a certain number must be shaded, you can conclude that all numbers around it (horizontally and vertically adjacent) may not be shaded. This is the application of the first rule. If the 5 in this example Hitori is shaded, you may not shade the circled adjacent numbers.


Avoid Isolation

printable Hitori puzzlesAs we already described in the third rule, non shaded numbers cannot be isolated. They form a continuous and single component. In the second column in this example we have to shade the four in the third place and not the one in the fourth position. Would we shade the 4 in the fourth position, than the five at the bottom would be a isolated white cell that is not part of the continuous component.



There are loads of advanced solving techniques for solving the Hitori puzzles. A great resource for more solving strategies is the website: www.conceptispuzzles.com.

There are also a couple of websites offering an online version of the Hitori puzzle:
BrainBashers , Nikoli , and Shockwave are the best we found so far.

But if you prefer to print them out, which is better for your eyes and saves energy (ahum!), you can find them on this website: Just click here


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