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. dmetro
160
00:10.03
2. jaripetteri
71
00:13.10
3. beatrixwashere
78
00:14.07
4. sgychen6
88
00:14.45
5. MRP
106
00:20.75
6. gw112
7
00:35.34
7. wojtekg 01:25.70
8. real8ggt
39
01:32.22
9. FunAcroFly
25
03:45.18
10. Fabiogaudo
14
05:13.61
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This Week
1. sgychen6
88
00:14.45
2. jaripetteri
71
00:15.06
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Today
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MO3
1. Confr1ngo
44
00:01.90
2. Douglas Shamlin Jr.
668
00:05.90
3. Logar
35
00:06.25
4. BrownJohnDoe
200
00:06.33
5. Dymond
209
00:09.27
6. numbrr
278
00:09.35
7. Nick
217
00:09.52
8. vowels
214
00:09.58
9. Juice
103
00:09.67
10. Eskimosnake
100
00:09.77
AO5
1. Confr1ngo
44
00:01.90
2. Logar
35
00:05.73
3. Douglas Shamlin Jr.
668
00:05.89
4. BrownJohnDoe
200
00:06.73
5. numbrr
278
00:09.59
6. vowels
214
00:10.00
7. Dymond
209
00:10.13
8. Nick
217
00:10.25
9. Juice
103
00:10.45
10. Eskimosnake
100
00:11.09
AO12
1. Confr1ngo
44
00:01.98
2. Douglas Shamlin Jr.
668
00:06.68
3. Logar
35
00:06.71
4. BrownJohnDoe
200
00:09.84
5. vowels
214
00:10.97
6. numbrr
278
00:11.29
7. Dymond
209
00:11.42
8. Nick
217
00:11.59
9. Eskimosnake
100
00:12.01
10. Juice
103
00:13.54
Robots / programmatic solversinfo  
1.tlstyer
102
00:00.006
2.BertinSylux98
34
00:00.277
3.browserEx00:00.521

* 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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2025-02-12 06:15:33

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