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. crema
159
00:24.14
2. Ruan
26
00:24.92
3. qobi
225
00:43.08
4. leonleonidis
48
00:44.79
5. MRP
107
00:51.93
6. Dorice
241
00:53.42
7. AmithKrishna22
21
01:10.81
8. Partimento
25
01:15.74
9. 31723397 01:31.17
10. CroMa
15
02:14.80
11. direruss
6
02:24.41
12. Efran
47
03:56.50
13. Soham Bhosale
1
12:27.23
14. sisi
28
1d 03:26:35.15
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This Week
1. Ruan
26
00:24.92
2. Dorice
241
00:56.10
3. 31723397 01:31.17
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Today
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MO3
1. Douglas Shamlin Jr.
691
00:12.73
2. numbrr
295
00:13.74
3. BrownJohnDoe
200
00:14.02
4. Eskimosnake
104
00:15.05
5. Vezzick
153
00:15.25
6. Dymond
210
00:16.09
7. vowels
214
00:18.29
8. Nick
217
00:19.13
9. BingBongBob
108
00:19.94
10. NoahR
268
00:20.20
AO5
1. Douglas Shamlin Jr.
691
00:12.88
2. BrownJohnDoe
200
00:14.70
3. Dymond
210
00:16.09
4. Vezzick
153
00:16.45
5. Eskimosnake
104
00:16.75
6. vowels
214
00:18.29
7. numbrr
295
00:18.38
8. Nick
217
00:20.71
9. BingBongBob
108
00:20.93
10. NoahR
268
00:21.04
AO12
1. Douglas Shamlin Jr.
691
00:13.98
2. Dymond
210
00:18.51
3. Eskimosnake
104
00:20.79
4. Vezzick
153
00:21.17
5. vowels
214
00:21.56
6. BrownJohnDoe
200
00:22.93
7. Nick
217
00:25.02
8. qqwref
259
00:25.14
9. NoahR
268
00:25.40
10. numbrr
295
00:26.63
Robots / programmatic solversinfo  
1.tlstyer
117
00:00.006
2.cheyette00:00.125
3.BertinSylux98
34
00:00.297

* 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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2025-06-15 04:26:18

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