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.

Video Tutorial

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This Month
1.	chenh	00:38.67
2.	Sujathar	00:38.96
3.	triple	00:39.51
4.	MadraMor	00:52.15
5.	Kutner17	00:52.24
6.	Kukko	00:53.25
7.	KanonLayne	00:59.69
8.	Irisa	01:00.00
9.	nikoleschi	01:08.60
10.	Hachiman	01:14.74
11.	nysnuib	01:23.81
12.	Dorice	01:28.79
13.	Tucker531	01:30.02
14.	Uri Gotman	01:32.96
15.	PhilDiggety	01:34.16
16.	Geagle	01:35.49
17.	WinterBirth	01:37.78
18.	Andrea Aurigemma	01:45.37
19.	super2276	01:51.57
20.	windmillcancer202010	01:56.86

This Week
1.	Sujathar	00:42.64
2.	MadraMor	00:52.15
3.	KanonLayne	00:59.69
4.	Irisa	01:00.00
5.	nikoleschi	01:08.60
6.	Dorice	01:28.79
7.	PhilDiggety	01:56.18
8.	rysia25	02:04.89
9.	SameMistakes	02:31.99
10.	crobertson2017	02:39.38
11.	tpetar	03:16.22
12.	Eric Ho	06:01.87
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Today
1.	PhilDiggety	01:56.18
2.	--- empty ---	--:--
3.	--- empty ---	--:--
4.	--- empty ---	--:--
5.	--- empty ---	--:--
6.	--- empty ---	--:--
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20.	--- empty ---	--:--

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.	Preston10	00:34.41
7.	triple	00:35.21
8.	numbrr	00:36.25
8.	Vezzick	00:36.25
10.	zdz	00:39.02

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.	Preston10	00:36.36
7.	triple	00:37.45
8.	OneHero	00:39.57
9.	zdz	00:43.30
10.	Vezzick	00:43.70

AO12
1.	Ludaye	00:24.46
2.	Dymond	00:32.78
3.	NoLifeChu	00:34.40
4.	Preston10	00:39.80
5.	triple	00:41.19
6.	Douglas Shamlin Jr.	00:41.50
7.	OneHero	00:44.80
8.	Chen Wang	00:49.40
9.	vowels	00:51.49
10.	numbrr	00:52.21

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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2026-01-15 01:27:51

www.puzzle-kakurasu.com

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