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.	JZE	00:01.75
2.	Vezzick	00:02.01
3.	ys56	00:02.17
4.	prinsed	00:02.22
5.	piscescribb	00:02.57
6.	Fragler	00:02.59
7.	jaripetteri	00:02.95
8.	Preston10	00:02.96
9.	KETJAK	00:03.52
10.	daspore	00:03.82
11.	Trial	00:04.13
12.	KarasuKarasu	00:04.52
13.	zooandroo	00:04.70
14.	hajuyi	00:05.21
15.	Conceited_2	00:05.28
16.	CroMa	00:05.65
17.	Flyingkitty789	00:06.08
18.	zibigibi	00:06.89
19.	yuanjunliang	00:09.50
20.	HackMan	00:09.68

This Week
1.	prinsed	00:03.92
2.	CroMa	00:05.65
3.	Conceited_2	00:05.79
4.	Cici G. (cc)	00:10.21
5.	oshi	00:10.86
6.	FunAcroFly	00:11.58
7.	123456789012	00:12.86
8.	Ratzi	00:29.64
9.	Anna Redzik	00:32.84
10.	0mega	00:49.49
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	oshi	00:10.86
2.	--- empty ---	--:--
3.	--- empty ---	--:--
4.	--- empty ---	--:--
5.	--- empty ---	--:--
6.	--- empty ---	--:--
7.	--- empty ---	--:--
8.	--- empty ---	--:--
9.	--- empty ---	--:--
10.	--- empty ---	--:--
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

MO3
1.	Douglas Shamlin Jr.	00:01.39
2.	vowels	00:01.64
3.	Vezzick	00:01.85
4.	boru	00:01.86
5.	numbrr	00:02.13
6.	Nick	00:02.15
7.	7k enjoyer	00:02.17
7.	qqwref	00:02.17
9.	BrownJohnDoe	00:02.19
10.	jaybrainer	00:02.21

AO5
1.	Douglas Shamlin Jr.	00:01.55
2.	vowels	00:01.56
3.	Vezzick	00:01.81
4.	miki2003pl	00:02.22
5.	Nick	00:02.25
6.	boru	00:02.28
7.	BrownJohnDoe	00:02.30
8.	qqwref	00:02.32
9.	numbrr	00:02.37
10.	Emil1233	00:02.41

AO12
1.	Douglas Shamlin Jr.	00:01.78
2.	vowels	00:01.91
3.	Vezzick	00:02.36
4.	boru	00:02.53
5.	Nick	00:02.61
6.	BrownJohnDoe	00:02.63
7.	numbrr	00:02.73
8.	qqwref	00:02.75
9.	miki2003pl	00:02.78
10.	Ben65732	00:02.80

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.105
3.	4s4f4	00:00.225

* 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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2025-07-14 20:50:32

www.puzzle-kakurasu.com

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