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
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MO3
1. Encyclopedia
85
00:41.12
2. Douglas Shamlin Jr.
692
00:46.90
3. summernight
210
01:30.44
4. Dymond
210
01:33.33
5. a979453451
184
01:40.18
6. NoahR
270
01:46.03
7. Calix Castillo
150
01:50.70
8. Sylphie
137
01:55.95
9. zdz
84
01:56.75
10.anonymous
161
01:59.13
AO5
1. Douglas Shamlin Jr.
692
00:51.40
2. Encyclopedia
85
01:14.14
3. summernight
210
01:33.47
4. a979453451
184
01:45.99
5. NoahR
270
01:46.03
6. Dymond
210
01:55.50
7. Sylphie
137
01:55.95
8. Chen Wang
106
02:01.27
9. Calix Castillo
150
02:08.48
10. moonjady
344
02:10.26
AO12
1. Douglas Shamlin Jr.
692
01:02.49
2. summernight
210
01:54.05
3. Encyclopedia
85
02:04.15
4. Dymond
210
02:20.97
5. Calix Castillo
150
02:26.38
6. Chen Wang
106
02:27.90
7. Anas
136
02:34.10
8. qqwref
259
02:35.67
9. NoahR
270
02:41.21
10. Sylphie
137
02:44.30
Robots / programmatic solversinfo  
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* 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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2025-07-04 03:57:05

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