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.	jaripetteri	00:05.32
2.	KETJAK	00:07.47
3.	qobi	00:08.43
4.	Preston10	00:10.31
5.	Yo	00:12.13
6.	Conceited_2	00:12.69
7.	Dorice	00:13.83
8.	Ailurus	00:14.11
9.	kamikazi	00:15.97
10.	dtyamada	00:20.51
11.	aleet	00:24.11
12.	OuO Seal	00:26.95
13.	llmt9	00:44.83
14.	Athul S	00:48.09
15.	Soham Bhosale	01:38.27
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This Week
1.	jaripetteri	00:08.21
2.	KETJAK	00:18.62
3.	Soham Bhosale	01:38.27
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Today
1.	Soham Bhosale	01:38.27
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MO3
1.	Douglas Shamlin Jr.	00:02.06
2.	vowels	00:02.44
3.	Vezzick	00:02.85
4.	BrownJohnDoe	00:02.91
5.	Nick	00:03.11
6.	kyrawr8383	00:03.23
7.	numbrr	00:03.49
8.	Make	00:03.70
9.	miki2003pl	00:03.91
10.	catapostrophe	00:03.93

AO5
1.	Douglas Shamlin Jr.	00:02.38
2.	vowels	00:02.57
3.	BrownJohnDoe	00:03.11
4.	Nick	00:03.31
5.	Vezzick	00:03.50
6.	numbrr	00:03.66
7.	kyrawr8383	00:03.81
8.	Make	00:04.07
9.	Dymond	00:04.39
10.	Eskimosnake	00:04.65

AO12
1.	Douglas Shamlin Jr.	00:02.77
2.	vowels	00:03.37
3.	BrownJohnDoe	00:03.93
4.	Vezzick	00:04.16
5.	numbrr	00:04.28
6.	Nick	00:04.91
7.	Make	00:05.11
8.	Eskimosnake	00:05.27
9.	NooM	00:05.42
10.	missPear	00:05.61

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.108
3.	BertinSylux98	00:00.259

* 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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2025-06-14 17:53:29

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