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	00:03.95
2.	Rhododendron	00:06.75
3.	grimmgirlfandom	00:08.34
4.	Ecarlate	00:09.23
5.	Dorice	00:10.67
6.	TheLoneWolf	00:11.86
7.	jaripetteri	00:12.85
8.	k03ih01	00:17.52
9.	Koakuma	00:18.83
10.	dingeldrum	00:25.65
11.	takerusan	00:25.67
12.	KETJAK	00:26.07
13.	Maelwys	00:32.75
14.	CeaselessWatcher	00:40.99
15.	Oryn	00:46.10
16.	Ratzi	00:49.88
17.	tuskmanjones	01:05.44
18.	Rocketdog	01:25.47
19.	val6789	01:47.52
20.	--- empty ---	--:--

This Week
1.	Ecarlate	00:09.23
2.	TheLoneWolf	00:11.86
3.	k03ih01	00:17.52
4.	Koakuma	00:18.83
5.	Dorice	00:20.33
6.	Maelwys	00:32.75
7.	takerusan	00:48.20
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.	k03ih01	00:17.52
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.	00:03.80
2.	BrownJohnDoe	00:03.85
3.	vowels	00:04.50
4.	Vezzick	00:04.72
5.	numbrr	00:05.01
6.	Preston10	00:05.73
7.	Nick	00:06.10
8.	BingBongBob	00:06.82
9.	Make	00:06.97
10.	Chen Wang	00:07.06

AO5
1.	Douglas Shamlin Jr.	00:03.84
2.	BrownJohnDoe	00:04.63
3.	vowels	00:05.13
4.	Vezzick	00:05.37
5.	numbrr	00:05.94
6.	Preston10	00:06.46
7.	Nick	00:06.50
8.	Chen Wang	00:07.05
9.	Make	00:07.20
10.	BingBongBob	00:07.25

AO12
1.	Douglas Shamlin Jr.	00:04.75
2.	Vezzick	00:06.67
3.	BrownJohnDoe	00:06.74
4.	vowels	00:06.84
5.	numbrr	00:07.37
6.	Preston10	00:08.09
7.	Chen Wang	00:08.53
8.	BingBongBob	00:08.62
9.	Nick	00:08.92
10.	Eskimosnake	00:09.70

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.105
3.	BertinSylux98	00:00.268

* 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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2025-09-18 03:47:29

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