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.	Sujathar	00:35.29
2.	shallwe	00:43.19
3.	BobLobolaw1	00:44.93
4.	Indirica	00:56.25
5.	Dorice	00:57.25
6.	chenh	01:07.92
7.	piscescribb	01:19.83
8.	qobi	01:35.39
9.	Janae Skinner	01:36.15
10.	TheCrazyCat	01:52.79
11.	PhilDiggety	01:56.56
12.	woburn	02:23.09
13.	daghan	02:23.30
14.	Gage Williams	02:35.09
15.	crobertson2017	02:38.46
16.	Kevin Bourrillion	03:00.70
17.	OuO Seal	03:46.37
18.	direruss	04:23.87
19.	Trial	05:09.76
20.	sisi	05:38.96

This Week
1.	Sujathar	00:35.29
2.	BobLobolaw1	00:44.93
3.	chenh	01:07.92
4.	Indirica	01:34.70
5.	PhilDiggety	01:56.56
6.	OuO Seal	03:46.37
7.	Andrea Aurigemma	07:44.30
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Today
1.	OuO Seal	03:46.37
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MO3
1.	Ludaye	00:22.82
2.	Dymond	00:26.26
3.	Douglas Shamlin Jr.	00:31.21
4.	Nirneth	00:32.26
5.	NoLifeChu	00:32.63
6.	zdz	00:39.02
7.	OneHero	00:39.37
8.	Autuno	00:39.99
9.	numbrr	00:40.61
10.	stefanwg	00:41.04

AO5
1.	Ludaye	00:23.59
2.	Dymond	00:29.36
3.	Douglas Shamlin Jr.	00:31.87
4.	NoLifeChu	00:32.69
5.	Nirneth	00:36.30
6.	OneHero	00:39.57
7.	zdz	00:43.30
8.	Chen Wang	00:44.49
9.	Rhododendron	00:45.03
10.	zzx	00:45.53

AO12
1.	Ludaye	00:24.46
2.	Dymond	00:32.78
3.	NoLifeChu	00:34.40
4.	Douglas Shamlin Jr.	00:41.50
5.	OneHero	00:44.80
6.	Chen Wang	00:49.40
7.	zzx	00:55.22
8.	Autuno	00:56.29
9.	stefanwg	00:57.37
10.	Sam9375	00:57.53

Robots / programmatic solvers		info
1.	tlstyer	00:00.007
2.	cheyette	00:00.158
3.	4s4f4	00:00.252

* 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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2025-06-15 04:32:22

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