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
1.	zooandroo	00:26.78
2.	banu2972banu	00:30.85
3.	BobLobolaw1	00:31.82
4.	catapostrophe	00:32.75
5.	berloonybaboony	00:45.52
6.	GoldChoco36	00:50.37
7.	crema	00:57.83
8.	Dorice	00:59.39
9.	pouldu	01:12.57
10.	grimmgirlfandom	01:32.79
11.	Yo	01:41.47
12.	MRP	01:57.19
13.	k03ih01	02:10.49
14.	yosiaki	02:55.65
15.	redpanda	07:33.87
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This Week
1.	zooandroo	00:26.78
2.	BobLobolaw1	00:31.82
3.	Yo	01:41.47
4.	Dorice	03:28.57
5.	redpanda	07:33.87
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Today
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MO3
1.	Logar	00:12.15
2.	Douglas Shamlin Jr.	00:16.25
3.	Dymond	00:24.12
4.	Vezzick	00:25.97
5.	BrownJohnDoe	00:27.20
6.	numbrr	00:27.33
7.	Nick	00:29.29
8.	Rhododendron	00:29.71
9.	Autuno	00:29.95
10.	vowels	00:31.39

AO5
1.	Logar	00:12.97
2.	Douglas Shamlin Jr.	00:17.32
3.	Dymond	00:27.17
4.	numbrr	00:27.33
5.	Vezzick	00:29.89
6.	Rhododendron	00:31.19
7.	Autuno	00:32.25
8.	BrownJohnDoe	00:32.55
9.	Nick	00:33.45
10.	NoahR	00:35.53

AO12
1.	Logar	00:14.15
2.	Douglas Shamlin Jr.	00:18.90
3.	Dymond	00:29.97
4.	numbrr	00:39.51
5.	Eskimosnake	00:40.73
6.	Autuno	00:41.86
7.	BrownJohnDoe	00:44.05
8.	7k enjoyer	00:44.71
9.	vowels	00:44.82
10.	qqwref	00:44.89

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	BertinSylux98	00:00.343
3.	browserEx	00:00.534

* 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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2025-04-30 08:32:20

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