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.

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This Month
1.	Preston10	00:03.53
2.	EdenGameMaster	00:05.93
3.	Dorice	00:06.05
4.	shallwe	00:06.29
5.	jaripetteri	00:07.43
6.	FunAcroFly	00:09.24
7.	Melkor	00:09.48
8.	Partimento	00:09.83
9.	Koakuma	00:10.75
10.	daspore	00:13.95
11.	Santiluch	00:14.47
12.	Lila22	00:17.79
13.	EmrHoca	00:20.84
14.	KingHeeSu	00:23.15
15.	BIGDlittled	00:29.00
16.	slyguy519	00:36.46
17.	Milo Smith	00:37.24
18.	Wuni14	00:55.03
19.	Junbao	01:58.23
20.	--- empty ---	--:--

This Week
1.	Preston10	00:03.53
2.	Dorice	00:08.89
3.	Melkor	00:09.48
4.	jaripetteri	00:09.91
5.	Lila22	00:17.79
6.	KingHeeSu	00:23.15
7.	Wuni14	00:55.03
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 ---	--:--

Today
1.	Preston10	00:03.53
2.	Lila22	00:17.79
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.	00:02.06
2.	vowels	00:02.44
3.	Vezzick	00:02.84
4.	BrownJohnDoe	00:02.91
5.	Nick	00:03.11
6.	kyrawr8383	00:03.23
7.	Preston10	00:03.43
8.	numbrr	00:03.49
9.	Make	00:03.70
10.	miki2003pl	00:03.91

AO5
1.	Douglas Shamlin Jr.	00:02.38
2.	vowels	00:02.57
3.	Vezzick	00:02.92
4.	BrownJohnDoe	00:03.11
5.	Nick	00:03.31
6.	numbrr	00:03.66
7.	kyrawr8383	00:03.81
8.	Preston10	00:03.90
9.	Make	00:04.07
10.	Dymond	00:04.39

AO12
1.	Douglas Shamlin Jr.	00:02.77
2.	vowels	00:03.37
3.	BrownJohnDoe	00:03.93
4.	Vezzick	00:04.09
5.	numbrr	00:04.28
6.	Preston10	00:04.68
7.	Nick	00:04.91
8.	Make	00:05.11
9.	Eskimosnake	00:05.27
10.	NooM	00:05.42

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.108
3.	BertinSylux98	00:00.259

* 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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2025-11-03 00:01:48

www.puzzle-kakurasu.com

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