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.	Preston10	00:02.17
2.	lpbxszpd	00:02.46
3.	洪介興	00:03.22
4.	thall	00:04.13
5.	crema	00:04.27
6.	arod97	00:04.53
7.	WIKENSDIKS	00:04.76
8.	RaiT	00:05.01
9.	Dorice	00:05.29
10.	Janae Skinner	00:05.68
11.	tskitstki	00:07.01
12.	nigh7sh4de	00:07.99
13.	Koakuma	00:10.68
14.	Santiluch	00:10.75
15.	c1c51	00:13.61
16.	foggy11	00:14.87
17.	Lila22	00:18.25
18.	krow748	00:18.72
19.	SudokuFan	00:18.82
20.	kroller	00:25.93

This Week
1.	lpbxszpd	00:02.46
2.	thall	00:04.13
3.	crema	00:04.27
4.	arod97	00:04.53
5.	Dorice	00:05.29
6.	tskitstki	00:07.01
7.	Koakuma	00:10.68
8.	c1c51	00:13.61
9.	foggy11	00:14.87
10.	kroller	00:25.93
11.	Karoo	00:51.06
12.	--- empty ---	--:--
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Today
1.	lpbxszpd	00:02.46
2.	--- empty ---	--:--
3.	--- empty ---	--:--
4.	--- empty ---	--:--
5.	--- empty ---	--:--
6.	--- empty ---	--:--
7.	--- empty ---	--:--
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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.	00:01.59
2.	vowels	00:01.69
2.	Vezzick	00:01.69
4.	BingBongBob	00:02.00
5.	miki2003pl	00:02.06
6.	Nick	00:02.17
7.	grimmgirlfandom	00:02.28
7.	BrownJohnDoe	00:02.28
9.	numbrr	00:02.32
10.	Emil1233	00:02.46

AO5
1.	Douglas Shamlin Jr.	00:01.70
2.	vowels	00:01.74
3.	Vezzick	00:01.93
4.	miki2003pl	00:02.15
5.	Nick	00:02.26
6.	BingBongBob	00:02.27
7.	BrownJohnDoe	00:02.32
8.	numbrr	00:02.37
9.	Make	00:02.39
10.	grimmgirlfandom	00:02.51

AO12
1.	Douglas Shamlin Jr.	00:01.94
2.	vowels	00:01.95
3.	Vezzick	00:02.46
4.	BingBongBob	00:02.53
5.	Nick	00:02.55
6.	BrownJohnDoe	00:02.70
7.	miki2003pl	00:02.73
8.	numbrr	00:02.90
9.	grimmgirlfandom	00:02.95
10.	Preston10	00:03.01

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.104
3.	4s4f4	00:00.240

* 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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2025-11-25 00:27:28

www.puzzle-kakurasu.com

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