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.	Huthayfa Mutan	00:16.42
2.	Douglas Shamlin Jr.	01:13.82
3.	Encyclopedia	02:25.18
4.	summernight	02:28.55
5.	a979453451	02:43.85
6.	anonymous	02:46.13
7.	Calix Castillo	02:48.39
8.	NoahR	02:53.19
9.	apchytxws	02:56.26
10.	moonjady	02:57.64

AO5
1.	Huthayfa Mutan	00:17.34
2.	Douglas Shamlin Jr.	01:25.70
3.	summernight	02:49.01
4.	Encyclopedia	02:55.14
5.	Calix Castillo	03:05.99
6.	Sam9375	03:09.41
7.	a979453451	03:09.64
8.	Sylphie	03:10.30
9.	NoahR	03:13.00
10.	stefanwg	03:18.56

AO12
1.	Douglas Shamlin Jr.	01:42.41
2.	Encyclopedia	03:28.23
3.	NoahR	03:58.17
4.	Sam9375	04:04.76
5.	anonymous	04:18.83
6.	anonymous	04:25.85
7.	anonymous	04:26.26
8.	summernight	04:36.51
9.	Dymond	04:41.25
10.	Noah Kilpack	04:43.93

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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2026-03-16 19:28:33

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