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.	Dorice	00:14.58
2.	洪介興	00:22.34
3.	arod97	00:26.63
4.	krow748	00:28.15
5.	FunAcroFly	00:36.88
6.	Koakuma	00:49.85
7.	tskitstki	00:55.53
8.	SudokuFan	01:09.45
9.	Efran	01:27.93
10.	c1c51	01:56.46
11.	trLBumm	02:45.92
12.	3211519610	04:37.65
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This Week
1.	Dorice	00:18.87
2.	洪介興	00:22.34
3.	arod97	00:26.63
4.	FunAcroFly	00:38.46
5.	tskitstki	00:55.53
6.	c1c51	01:56.46
7.	Efran	02:36.29
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Today
1.	Efran	02:36.29
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MO3
1.	Douglas Shamlin Jr.	00:05.90
2.	BrownJohnDoe	00:06.33
3.	Vezzick	00:07.15
4.	Preston10	00:08.38
5.	Dymond	00:09.27
6.	numbrr	00:09.35
7.	Nick	00:09.52
8.	vowels	00:09.58
9.	Juice	00:09.67
10.	Eskimosnake	00:09.77

AO5
1.	Douglas Shamlin Jr.	00:05.89
2.	BrownJohnDoe	00:06.73
3.	Vezzick	00:08.47
4.	Preston10	00:09.12
5.	numbrr	00:09.59
6.	vowels	00:10.00
7.	Dymond	00:10.13
8.	FiloNiloPilo	00:10.22
9.	Nick	00:10.25
10.	Juice	00:10.45

AO12
1.	Douglas Shamlin Jr.	00:06.68
2.	Preston10	00:09.80
3.	BrownJohnDoe	00:09.84
4.	Vezzick	00:10.48
5.	vowels	00:10.97
6.	numbrr	00:11.29
7.	Dymond	00:11.42
8.	Nick	00:11.59
9.	Eskimosnake	00:12.01
10.	Juice	00:13.54

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.122
3.	BertinSylux98	00:00.277

* 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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2025-11-22 17:46:46

www.puzzle-kakurasu.com

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