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.

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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. lukegr 00:30.39
2. llmt9
104
00:30.70
3. spen sp2
69
00:54.29
4. Stefferox 01:23.32
5. stemvork 01:26.60
6. tworivers
45
01:31.74
7. mielan1 02:04.99
8. Oryn
192
02:16.00
9. lv1208
8
02:32.18
10. FrancoCabrera
19
02:39.41
11. Lokiskind
1
02:59.63
12. Toonm 03:45.66
13. Kaci
5
03:51.21
14. GoldChoco36
172
04:49.97
15. Deooet87 04:58.85
16. vichibrax 05:14.12
17. passngrin 09:19.88
18. Tintin
39
09:40.79
19. 5278
11
10:15.88
20.--- empty -----:--
This Week
1. lukegr 00:30.89
2. llmt9
104
00:33.11
3. Stefferox 01:43.64
4. mielan1 02:06.26
5. Kaci
5
03:51.21
6. Toonm 04:56.21
7. vichibrax 05:14.12
8. passngrin 09:19.88
9. 5278
11
10:15.88
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Today
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MO3
1. nabi
92
00:19.68
2. numbrr
325
00:24.26
3. BingBongBob
108
00:26.71
4. vowels
216
00:27.32
5. Make
288
00:30.39
6. qqwref
266
00:31.29
7. daanbe
241
00:33.17
8. llmt9
104
00:34.86
9. IzAlexandre2
114
00:35.67
10. distracted
148
00:36.34
AO5
1. nabi
92
00:19.80
2. numbrr
325
00:24.89
3. vowels
216
00:29.42
4. Make
288
00:32.49
5. qqwref
266
00:32.88
6. BingBongBob
108
00:32.92
7. llmt9
104
00:36.03
8. daanbe
241
00:36.63
9. IzAlexandre2
114
00:37.25
10. SilverHawk
216
00:37.63
AO12
1. nabi
92
00:21.95
2. numbrr
325
00:28.68
3. BingBongBob
108
00:36.42
4. qqwref
266
00:36.65
5. vowels
216
00:37.84
6. SilverHawk
216
00:38.89
7. Make
288
00:39.22
8. vx14
185
00:41.99
9. IzAlexandre2
114
00:43.70
10. LittlePiggy
83
00:44.27
Robots / programmatic solversinfo  
1.tlstyer
154
00:00.007
2.jllachan00:00.491
3.BertinSylux98
34
00:00.867

* 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.
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