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.	Douglas Shamlin Jr.	00:29.82
2.	Encyclopedia	00:33.75
3.	summernight	00:48.00
4.	Dymond	00:54.21
5.	Chen Wang	01:00.52
6.	anonymous	01:03.34
7.	Anas	01:04.22
8.	NoahR	01:04.43
9.	Noah Kilpack	01:04.48
10.	FAlin	01:05.86

AO5
1.	Douglas Shamlin Jr.	00:32.82
2.	Encyclopedia	00:35.72
3.	Dymond	00:55.59
4.	summernight	00:55.68
5.	Chen Wang	01:05.31
6.	NoahR	01:07.28
7.	Nirneth	01:08.45
8.	Autuno	01:09.49
9.	Sam9375	01:11.08
10.	zzx	01:11.63

AO12
1.	Douglas Shamlin Jr.	00:34.91
2.	Encyclopedia	00:38.29
3.	summernight	01:06.96
4.	Dymond	01:07.88
5.	NoahR	01:26.58
6.	Calix Castillo	01:31.47
7.	Sam9375	01:34.29
8.	FAlin	01:34.34
9.	7k enjoyer	01:35.78
10.	Noah Kilpack	01:38.90

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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2025-09-18 22:18:42

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