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	00:18.18
2.	SilverHawk	00:18.81
3.	BobLobolaw1	00:26.01
4.	MoFan	00:36.92
5.	jaripetteri	00:43.67
6.	crobertson2017	00:48.12
7.	Dorice	00:50.04
8.	shallwe	00:50.35
9.	Rocketdog	00:56.18
10.	whitevoidsky	00:58.99
11.	xilli	01:02.73
12.	k03ih01	01:06.73
13.	ietje1	01:10.05
14.	Rudy4209	01:13.96
15.	Swagrymple	01:38.86
16.	xxbh02jf	01:39.61
17.	Brainiac2.0	02:06.71
18.	Giulia Valenti	04:20.89
19.	LEE27	05:41.85
20.	slyguy519	24d 20:31:23.64

This Week
1.	BobLobolaw1	00:26.01
2.	jaripetteri	00:43.67
3.	shallwe	00:50.35
4.	Rocketdog	00:56.18
5.	xilli	01:02.73
6.	crobertson2017	01:07.96
7.	Dorice	03:05.99
8.	Giulia Valenti	04:20.89
9.	slyguy519	24d 20:31:23.64
10.	--- empty ---	--:--
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Today
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18.	--- empty ---	--:--
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20.	--- empty ---	--:--

MO3
1.	Douglas Shamlin Jr.	00:13.84
2.	Chen Wang	00:16.97
3.	BrownJohnDoe	00:18.63
4.	numbrr	00:19.75
5.	Vezzick	00:20.86
6.	Dymond	00:23.40
7.	Preston10	00:24.37
8.	Nick	00:25.02
9.	vowels	00:26.05
10.	Sylphie	00:26.92

AO5
1.	Chen Wang	00:17.93
2.	Douglas Shamlin Jr.	00:19.29
3.	BrownJohnDoe	00:21.67
4.	numbrr	00:22.71
5.	Vezzick	00:23.40
6.	Dymond	00:25.31
7.	Preston10	00:27.76
8.	Sylphie	00:27.90
9.	vowels	00:29.79
10.	summernight	00:30.35

AO12
1.	Douglas Shamlin Jr.	00:21.21
2.	Chen Wang	00:24.95
3.	Preston10	00:31.64
4.	Dymond	00:33.20
5.	Nick	00:34.42
6.	Sylphie	00:37.78
7.	Anas	00:38.49
8.	Vezzick	00:38.87
9.	7k enjoyer	00:39.29
10.	Sam9375	00:40.39

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.119
3.	BertinSylux98	00:00.308

* 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 04:18:43

www.puzzle-kakurasu.com

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