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.	exformation	00:01.34
2.	Preston10	00:02.28
3.	prinsed	00:02.79
4.	Kutner17	00:03.05
5.	jaripetteri	00:04.03
6.	thrasymachus	00:04.13
7.	Donopi	00:04.17
8.	Emil1233	00:04.95
9.	May John	00:05.04
10.	Visco	00:05.59
11.	CroMa	00:05.65
12.	Conceited_2	00:05.79
13.	Fish5417	00:05.85
14.	auhosj877	00:06.09
15.	FunAcroFly	00:07.83
16.	Connaisseur	00:10.21
17.	Koakuma	00:10.61
18.	Emberana	00:10.75
19.	oshi	00:10.86
20.	YouXiaHime	00:11.23

This Week
1.	Preston10	00:02.28
2.	prinsed	00:03.79
3.	Conceited_2	00:09.49
4.	Koakuma	00:10.61
5.	YouXiaHime	00:11.23
6.	AIM2019	00:13.81
7.	EmeryEmery	00:17.98
8.	eephuss	00:28.97
9.	--- empty ---	--:--
10.	--- empty ---	--:--
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	Preston10	00:02.28
2.	YouXiaHime	00:11.23
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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2025-08-07 13:23:41

www.puzzle-kakurasu.com

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