Kakurasu

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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This Month
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This Week
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Today
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MO3
1.	Encyclopedia	00:41.12
2.	Douglas Shamlin Jr.	00:46.90
3.	summernight	01:18.76
4.	Dymond	01:33.33
5.	a979453451	01:40.18
6.	NoahR	01:46.03
7.	Calix Castillo	01:50.70
8.	Sylphie	01:55.95
9.	zdz	01:56.75
10.	anonymous	01:59.13

AO5
1.	Douglas Shamlin Jr.	00:51.40
2.	Encyclopedia	01:14.14
3.	summernight	01:18.81
4.	a979453451	01:45.99
5.	NoahR	01:46.03
6.	Dymond	01:55.50
7.	Sylphie	01:55.95
8.	Chen Wang	02:01.27
9.	Calix Castillo	02:08.48
10.	moonjady	02:10.26

AO12
1.	Douglas Shamlin Jr.	01:02.49
2.	summernight	01:54.05
3.	Encyclopedia	02:04.15
4.	Dymond	02:20.97
5.	Calix Castillo	02:26.38
6.	Chen Wang	02:27.90
7.	Anas	02:34.10
8.	qqwref	02:35.67
9.	NoahR	02:41.21
10.	Sylphie	02:44.30

Robots / programmatic solvers		info
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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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2025-12-21 07:00:59

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