Hitori


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Hitori is a logic puzzle with simple rules and challenging solutions.

The rules of Hitori are simple:
You have to shade some of the cells of the grid according to the rules:
- No number should appear unshaded more than once in a row or a column.
- 2 black cells cannot be adjacent horizontally or vertically.
- All non-shaded cells should be connected in a single group by vertical or horizontal motion.

Video Tutorial
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Hitori


5x5 Easy Hitori | 5x5 Normal Hitori | 5x5 Hard Hitori | 10x10 Easy Hitori | 10x10 Normal Hitori | 10x10 Hard Hitori | 15x15 Easy Hitori | 15x15 Normal Hitori | 15x15 Hard Hitori | 20x20 Easy Hitori | 20x20 Normal Hitori | 20x20 Hard Hitori

New Puzzle
This Month
1. boru
130
 00:03.92
2. Eskimosnake
113
 00:04.76
3. llmt9
96
 00:05.25
4. Kukko
177
 00:05.88
5. MushroomsCavern
93
 00:06.55
6. CroMa
95
 00:08.58
7. Ludovraint
10
 00:08.75
8. xc0xupx
48
 00:09.27
9. Alexia :)
128
 00:09.37
10. 3blue1blue
8
 00:09.39
11. SWICT
68
 00:10.61
12. eliii 00:10.63
13. vlash 00:10.95
14. leo1999
24
 00:11.16
15. Kevinw0lf 00:11.52
16. Harry_Canyon
144
 00:11.70
17. nastya 00:12.06
18. Reticle
133
 00:12.09
19. Annerose
18
 00:12.65
20. kolossikalmari
40
 00:14.05
This Week
1. Kukko
177
 00:05.88
2. MushroomsCavern
93
 00:06.55
3. llmt9
96
 00:07.02
4. CroMa
95
 00:08.58
5. xc0xupx
48
 00:09.27
6. SWICT
68
 00:10.61
7. Kevinw0lf 00:11.52
8. eliii 00:12.31
9. mamawilma
93
 00:14.92
10. Hahllyicssa
27
 00:16.12
11. Celina
3
 00:20.11
12. AstroNovalite
34
 00:21.39
13. c1c51
57
 00:23.91
14. Mxrixii
14
 00:32.24
15. stevo 00:45.66
16. wyx6356
2
 00:50.37
17. mllkdny 00:51.29
18. Jihyu 01:00.33
19. envy1337
2
 02:24.66
20. Eeeat
8
 24d 20:31:23.64
Today
1. Kukko
177
 00:05.88
2. Celina
3
 00:20.11
3. wyx6356
2
 00:50.37
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. nabi
92
 00:02.56
2. vowels
216
 00:02.65
3. BingBongBob
108
 00:03.23
4. numbrr
321
 00:03.38
5. jai22933
23
 00:03.44
6.anonymous
14
 00:03.50
6. JZE
88
 00:03.50
8.anonymous
5
 00:03.53
9.anonymous
2
 00:03.66
10. Douglas Shamlin Jr.
720
 00:04.17
AO5
1. nabi
92
 00:02.76
2. vowels
216
 00:02.87
3. BingBongBob
108
 00:03.43
4.anonymous
5
 00:03.55
5. numbrr
321
 00:03.60
6.anonymous
14
 00:03.63
7.anonymous
2
 00:03.72
8. jai22933
23
 00:03.75
9. JZE
88
 00:04.43
10. Douglas Shamlin Jr.
720
 00:04.45
AO12
1. nabi
92
 00:02.96
2. vowels
216
 00:03.32
3. BingBongBob
108
 00:03.94
4. jai22933
23
 00:04.04
5.anonymous
2
 00:04.09
6.anonymous
5
 00:04.17
7. numbrr
321
 00:04.55
8. Douglas Shamlin Jr.
720
 00:05.00
9. qqwref
266
 00:05.64
10. Make
283
 00:05.96
Robots / programmatic solversinfo  
1.tlstyer
148
00:00.006
2.jllachan00:00.493
3.BertinSylux98
34
00:00.642

* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
You need to be logged in to track your averages

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