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. Taco1717
73
 05:52.41
2. Liza94You
2
 06:20.60
3. Vgcl3m 06:29.54
4. tinnielee
1
 06:55.70
5. PuzzleDragon
51
 06:55.97
6. OliverA 09:26.98
7. bsk5941
79
 10:07.34
8. chenh 15:05.22
9. ktaklearns 16:23.33
10. Sudoke86 18:34.46
11. MgSparks 20:48.81
12. Bhaskar 22:34.10
13. Edash
143
 22:53.81
14. Menna
7
 27:09.81
15. spen sp2
21
 30:39.71
16. LR
75
 32:55.93
17. Changanlouli
45
 33:56.78
18. Thomas Dunlap
24
 38:17.67
19. ElvisLives 40:24.11
20. Iceberg9 46:32.59
This Week
1. Vgcl3m 06:29.54
2. OliverA 09:26.98
3. Sudoke86 18:34.46
4. bsk5941
79
 21:02.17
5. spen sp2
21
 30:39.71
6. Changanlouli
45
 33:56.78
7. Thomas Dunlap
24
 45:04.07
8. KTSH4
4
 59:02.80
9. Lemaien 1:01:28.63
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Today
1. Changanlouli
45
 33:56.78
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MO3
1. numbrr
310
 02:15.88
2. nabi
92
 02:26.69
3. Make
279
 02:48.50
4. qqwref
266
 03:24.96
5. wecestca2
107
 03:28.85
6. Ola Lenik
77
 03:38.39
7. vx14
179
 03:38.61
8. SilverHawk
216
 03:39.89
9. Timitz
23
 03:41.66
10. TheUgly
265
 03:43.83
AO5
1. numbrr
310
 02:33.89
2. nabi
92
 02:47.41
3. Make
279
 02:53.22
4. qqwref
266
 03:33.95
5. Ola Lenik
77
 03:39.52
6. wecestca2
107
 03:43.57
7. vx14
179
 03:43.71
8. TheUgly
265
 03:43.83
9. IzAlexandre2
114
 03:48.39
10. itskiwi
57
 03:54.70
AO12
1. nabi
92
 02:52.95
2. numbrr
310
 02:53.95
3. Make
279
 03:08.88
4. TheUgly
265
 03:43.90
5. Ola Lenik
77
 04:04.26
6. qqwref
266
 04:11.05
7. vx14
179
 04:13.25
8. itskiwi
57
 04:19.24
9. wecestca2
107
 04:21.69
10.anonymous
119
 04:31.60
Robots / programmatic solversinfo  
1.tlstyer
142
00:00.019
2.jllachan00:00.494
3.BertinSylux98
34
00:02.834

* 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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