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	00:19.11
2.	banu2972banu	00:27.12
3.	Dorice	00:41.54
4.	Kutner17	00:42.92
5.	SilverHawk	00:45.83
6.	takerusan	01:08.65
7.	MoFan	01:44.96
8.	Partimento	01:45.60
9.	xilli	02:06.71
10.	katzinhatz1	05:14.99
11.	dpsky	06:26.36
12.	Soham Bhosale	07:55.66
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This Week
1.	Dorice	00:41.54
2.	dpsky	06:26.36
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Today
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MO3
1.	Douglas Shamlin Jr.	00:16.25
2.	Dymond	00:24.12
3.	Preston10	00:24.54
4.	vowels	00:24.69
5.	Vezzick	00:25.97
6.	BrownJohnDoe	00:27.20
7.	numbrr	00:27.33
8.	Nick	00:29.29
9.	Rhododendron	00:29.71
10.	Autuno	00:29.95

AO5
1.	Douglas Shamlin Jr.	00:17.32
2.	Vezzick	00:26.21
3.	Dymond	00:27.17
4.	numbrr	00:27.33
5.	vowels	00:28.60
6.	Preston10	00:29.38
7.	Rhododendron	00:31.19
8.	Autuno	00:32.25
9.	BrownJohnDoe	00:32.55
10.	Nick	00:33.45

AO12
1.	Douglas Shamlin Jr.	00:18.90
2.	Dymond	00:29.97
3.	vowels	00:31.92
4.	Preston10	00:34.04
5.	Vezzick	00:36.22
6.	numbrr	00:39.51
7.	Eskimosnake	00:40.73
8.	Autuno	00:41.86
9.	BrownJohnDoe	00:44.05
10.	Ruan	00:44.31

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.132
3.	BertinSylux98	00:00.343

* 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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2025-10-21 23:48:17

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