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.	Kukko	00:02.58
2.	WinterBirth	00:02.63
3.	nigh7sh4de	00:02.82
4.	prinsed	00:03.02
5.	云界	00:03.63
6.	daspore	00:03.68
7.	Fjznbeinfnn	00:03.86
8.	Zhivko	00:04.19
9.	si1verwind	00:04.55
10.	Verigold	00:04.73
10.	triple	00:04.73
12.	Axiomatically_confus...	00:04.96
13.	Richrrad	00:05.35
14.	MushroomsCavern	00:05.36
15.	xxh1999	00:05.65
16.	yourmom44444	00:06.35
17.	Hehaho	00:06.56
18.	나인석	00:06.63
19.	Savia	00:07.31
20.	Scr33n	00:07.34

This Week
1.	WinterBirth	00:02.63
2.	prinsed	00:03.14
3.	云界	00:03.63
4.	triple	00:04.73
5.	Richrrad	00:05.35
6.	Hehaho	00:06.56
7.	Scr33n	00:07.34
8.	Emzed	00:09.30
9.	Frog The Toast	00:11.78
10.	PieterBasje	00:16.21
11.	trLBumm	00:18.11
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	--- empty ---	--:--
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.	jaybrainer	00:02.15
6.	Nick	00:02.15
8.	7k enjoyer	00:02.17
8.	qqwref	00:02.17
10.	BrownJohnDoe	00:02.19

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.	jaybrainer	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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2026-01-01 07:20:32

www.puzzle-kakurasu.com

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