Kakurasu


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

The rules are simple.Kakurasu is played on a rectangular grid with no standard size.
The goal is to make some of the cells black in such a way that:
1. The black cells on each row sum up to the number on the right.
2. The black cells on each column sum up to the number on the bottom.
3. If a black cell is first on its row/column its value is 1. If it is second its value is 2 etc.

Click a cell to make it black, right click to place an X.

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Kakurasu


4x4 Easy Kakurasu | 4x4 Hard Kakurasu | 5x5 Easy Kakurasu | 5x5 Hard Kakurasu | 6x6 Easy Kakurasu | 6x6 Hard Kakurasu | 7x7 Easy Kakurasu | 7x7 Hard Kakurasu | 8x8 Easy Kakurasu | 8x8 Hard Kakurasu | 9x9 Easy Kakurasu | 9x9 Hard Kakurasu

This Month
1. zooandroo
96
00:22.17
2. Zhivko 00:24.63
3. numbrr
295
00:25.10
4. jaripetteri
82
00:28.86
5. qobi
224
00:29.12
6. Indirica
59
00:29.53
7. BobLobolaw1 00:30.82
8. berloonybaboony
64
00:38.31
9. Dorice
241
00:44.97
10. crobertson2017 00:50.27
11. Koakuma
47
00:53.10
12. piscescribb
26
00:57.63
13. k03ih01
37
01:11.27
14. ietje1
17
01:18.62
15. RobitussinFlow
23
02:21.40
16. Partimento
25
04:00.58
17. cugntear
33
04:13.43
18. Marcozeglarz
17
05:24.75
19. yyyyyyyejin
68
08:37.62
20. sisi
28
15:38.33
This Week
1. BobLobolaw1 00:37.90
2. crobertson2017 00:50.27
3. Koakuma
47
00:53.10
4. RobitussinFlow
23
02:21.40
5. yyyyyyyejin
68
08:37.62
6. ryrycrycry 18:23.31
7. xuan
17
2:49:11.01
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Today
1. xuan
17
2:49:11.01
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MO3
1. Douglas Shamlin Jr.
691
00:13.84
2. Chen Wang
106
00:16.97
3. BrownJohnDoe
200
00:18.63
4. numbrr
295
00:19.75
5. Vezzick
153
00:20.86
6. Dymond
210
00:23.40
7. Nick
217
00:25.02
8. vowels
214
00:26.05
9. Sylphie
137
00:26.92
10. Anas
134
00:28.62
AO5
1. Chen Wang
106
00:17.93
2. Douglas Shamlin Jr.
691
00:19.29
3. BrownJohnDoe
200
00:21.67
4. numbrr
295
00:22.71
5. Dymond
210
00:25.31
6. Sylphie
137
00:27.90
7. vowels
214
00:29.79
8. summernight
208
00:30.35
9. Nick
217
00:30.48
10. Anas
134
00:30.87
AO12
1. Douglas Shamlin Jr.
691
00:21.21
2. Chen Wang
106
00:24.95
3. Dymond
210
00:33.20
4. Nick
217
00:34.42
5. Sylphie
137
00:37.78
6. Anas
134
00:38.49
7. Vezzick
153
00:38.87
8. 7k enjoyer
193
00:39.29
9. Sam9375
231
00:40.39
10. vowels
214
00:40.44
Robots / programmatic solversinfo  
1.tlstyer
117
00:00.006
2.cheyette00:00.119
3.BertinSylux98
34
00:00.308

* 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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2025-06-14 19:52:02

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