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.	Sujathar	00:37.14
2.	berloonybaboony	00:46.41
3.	nigh7sh4de	00:48.51
4.	hanyan2013	00:55.72
5.	numbrr	01:00.97
6.	Hachiman	01:06.48
7.	Dorice	01:12.71
8.	110phil	01:16.92
9.	chenh	01:17.94
10.	resolve	01:21.75
11.	PhilDiggety	01:33.71
12.	shingenx	01:37.02
13.	WoenzelaarN	01:37.33
14.	Geagle	01:41.31
15.	Ernie A.	01:42.08
16.	Zygo6089	01:43.56
17.	GirlSailor	02:02.73
18.	arod97	02:06.65
19.	super2276	02:08.94
20.	crobertson2017	02:09.11

This Week
1.	Sujathar	00:43.01
2.	numbrr	01:00.97
3.	Hachiman	01:06.48
4.	Geagle	01:41.31
5.	Dorice	01:45.55
6.	chenh	01:52.21
7.	crobertson2017	02:24.32
8.	tpetar	04:04.93
9.	江哲豪	04:51.09
10.	yosiaki	07:55.06
11.	北笙	15:53.88
12.	--- empty ---	--:--
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Today
1.	tpetar	04:04.93
2.	--- empty ---	--:--
3.	--- empty ---	--:--
4.	--- empty ---	--:--
5.	--- empty ---	--:--
6.	--- empty ---	--:--
7.	--- empty ---	--:--
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14.	--- empty ---	--:--
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16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
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.	numbrr	00:36.25
7.	Vezzick	00:36.25
9.	zdz	00:39.02
10.	OneHero	00:39.37

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.	OneHero	00:39.57
8.	zdz	00:43.30
9.	Vezzick	00:43.70
10.	Chen Wang	00:44.49

AO12
1.	Ludaye	00:24.46
2.	Dymond	00:32.78
3.	NoLifeChu	00:34.40
4.	Preston10	00:39.80
5.	Douglas Shamlin Jr.	00:41.50
6.	OneHero	00:44.80
7.	Chen Wang	00:49.40
8.	vowels	00:51.49
9.	numbrr	00:52.21
10.	zzx	00:54.42

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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2025-12-11 02:29:07

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