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.	Sujathar	00:35.41
2.	SilverHawk	00:37.77
3.	BobLobolaw1	00:39.09
4.	k03ih01	00:46.87
5.	Gcsscsd	00:55.65
6.	hanyan2013	00:56.55
7.	zdz	01:00.05
8.	shallwe	01:07.57
9.	Sigmit	01:15.70
10.	OneHero	01:17.32
11.	PhilDiggety	01:22.56
12.	dingeldrum	01:23.39
13.	Dorice	01:24.76
14.	Alexia :)	01:36.32
15.	Tucker531	01:39.99
16.	Tim Goossens	01:53.26
17.	takerusan	02:20.04
18.	katzinhatz1	02:54.13
19.	xilli	03:14.19
20.	Sloiw	03:31.18

This Week
1.	Sujathar	00:40.24
2.	hanyan2013	00:56.55
3.	shallwe	01:07.57
4.	PhilDiggety	01:56.80
5.	Dorice	02:06.87
6.	Sloiw	03:31.18
7.	katzinhatz1	03:32.43
8.	mi to	04:14.75
9.	Rocketdog	04:54.14
10.	anamilena	05:17.34
11.	crobertson2017	05:55.94
12.	dpsky	07:11.45
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Today
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20.	--- empty ---	--:--

MO3
1.	Ludaye	00:22.82
2.	Dymond	00:26.26
3.	Douglas Shamlin Jr.	00:31.21
4.	Nirneth	00:32.26
5.	NoLifeChu	00:32.63
6.	Vezzick	00:36.25
7.	Preston10	00:36.38
8.	zdz	00:39.02
9.	OneHero	00:39.37
10.	Autuno	00:39.99

AO5
1.	Ludaye	00:23.59
2.	Dymond	00:29.36
3.	Douglas Shamlin Jr.	00:31.87
4.	NoLifeChu	00:32.69
5.	Nirneth	00:36.30
6.	Preston10	00:38.11
7.	OneHero	00:39.57
8.	zdz	00:43.30
9.	Vezzick	00:43.70
10.	Chen Wang	00:44.49

AO12
1.	Ludaye	00:24.46
2.	Dymond	00:32.78
3.	NoLifeChu	00:34.40
4.	Douglas Shamlin Jr.	00:41.50
5.	OneHero	00:44.80
6.	Preston10	00:47.56
7.	Chen Wang	00:49.40
8.	vowels	00:51.49
9.	zzx	00:54.42
10.	Vezzick	00:55.83

Robots / programmatic solvers		info
1.	tlstyer	00:00.007
2.	cheyette	00:00.158
3.	4s4f4	00:00.252

* 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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2025-10-23 04:56:31

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