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.	Preston10	00:10.27
2.	jaripetteri	00:23.94
3.	Francesco Caputo	00:25.38
4.	Partimento	00:27.50
5.	BigL1	00:37.50
6.	Ecarlate	00:37.60
7.	amay1030	00:38.61
8.	yosiaki	00:50.22
9.	thrasymachus	00:54.34
10.	FunAcroFly	02:24.48
11.	Saakshi	03:21.00
12.	Efran	03:59.59
13.	Soham Bhosale	06:14.08
14.	maruisan	10:30.42
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This Week
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Today
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MO3
1.	Douglas Shamlin Jr.	00:05.90
2.	BrownJohnDoe	00:06.33
3.	Vezzick	00:07.15
4.	Dymond	00:09.27
5.	numbrr	00:09.35
6.	Nick	00:09.52
7.	vowels	00:09.58
8.	Juice	00:09.67
9.	Eskimosnake	00:09.77
10.	NooM	00:10.27

AO5
1.	Douglas Shamlin Jr.	00:05.89
2.	BrownJohnDoe	00:06.73
3.	Vezzick	00:08.47
4.	numbrr	00:09.59
5.	vowels	00:10.00
6.	Dymond	00:10.13
7.	Nick	00:10.25
8.	Juice	00:10.45
9.	Eskimosnake	00:11.09
10.	qqwref	00:11.45

AO12
1.	Douglas Shamlin Jr.	00:06.68
2.	BrownJohnDoe	00:09.84
3.	Vezzick	00:10.48
4.	vowels	00:10.97
5.	numbrr	00:11.29
6.	Dymond	00:11.42
7.	Nick	00:11.59
8.	Eskimosnake	00:12.01
9.	Juice	00:13.54
10.	BingBongBob	00:13.87

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.122
3.	BertinSylux98	00:00.277

* 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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2025-08-07 12:07:30

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