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. thall
61
 00:24.69
2. stemvork 00:38.85
3. vicadancerr
12
 00:43.92
4. Taco1717
71
 00:50.79
5. Grace Mayne
25
 01:02.11
6. OGPartyGirl
17
 01:05.19
7. CieMichu
14
 01:05.90
8. Lua
148
 01:08.36
9. CroMa
89
 01:10.91
10. MrNyooooom 01:11.03
11. spen sp2
20
 01:16.23
12. czar519 01:24.20
13. Lokiskind
1
 01:48.01
14. floomsi
16
 01:49.59
15. Mehkey 01:51.39
16. Tomtei8
3
 01:52.27
17. Adahej 01:54.06
18. rjmarr 01:55.10
19. Twany 01:56.50
20. Borson2019
3
 01:57.25
This Week
1. OGPartyGirl
17
 01:05.19
2. spen sp2
20
 01:16.23
3. Lokiskind
1
 01:48.01
4. Borson2019
3
 01:57.25
5. Jorjess
23
 02:05.24
6. vnyls
13
 02:15.60
7. iqyMeow 02:16.97
8. xilli 02:34.16
9. Larali 02:36.88
10. KTSH4
2
 02:47.89
11. baeksooist
4
 02:55.88
12. minionman 03:11.86
13. Thegroover 03:15.14
14. Kellydv12 03:19.30
15. Borsuczi
3
 03:41.22
16. IrkoPixel
47
 03:55.79
17. Fly0wanilja 04:37.67
18. daisyisaflower 08:12.08
19. tortii 08:38.06
20. tinku
44
 28:29.41
Today
1. spen sp2
20
 01:23.43
2. Borson2019
3
 02:11.73
3. Jorjess
23
 02:31.87
4. Thegroover 04:05.59
5. Fly0wanilja 04:37.67
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. Douglas Shamlin Jr.
718
 00:14.28
2. nabi
92
 00:15.73
3. numbrr
310
 00:18.32
4. BingBongBob
108
 00:19.82
5. vowels
216
 00:21.83
6. Joshua Zhang [Studen...
8
 00:22.57
7. Make
279
 00:23.69
8. jai22933
23
 00:24.54
9. thall
61
 00:25.10
10. qqwref
266
 00:25.55
AO5
1. Douglas Shamlin Jr.
718
 00:14.96
2. nabi
92
 00:16.49
3. numbrr
310
 00:19.21
4. BingBongBob
108
 00:19.98
5. vowels
216
 00:22.17
6. Joshua Zhang [Studen...
8
 00:23.06
7. Make
279
 00:24.78
8. jai22933
23
 00:25.09
9. qqwref
266
 00:26.34
10. thall
61
 00:26.44
AO12
1. Douglas Shamlin Jr.
718
 00:16.47
2. nabi
92
 00:19.36
3. numbrr
310
 00:20.92
4. BingBongBob
108
 00:21.05
5. vowels
216
 00:24.20
6. Make
279
 00:25.53
7. jai22933
23
 00:26.96
8. qqwref
266
 00:27.68
9. thall
61
 00:28.83
10. Joshua Zhang [Studen...
8
 00:28.84
Robots / programmatic solversinfo  
1.tlstyer
142
00:00.007
2.jllachan00:00.483
3.BertinSylux98
34
00:00.835

* 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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