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.	prinsed	00:03.18
2.	kamikazi	00:03.26
3.	OuO Seal	00:03.30
4.	Ailurus	00:07.22
5.	qobi	00:07.57
6.	sisi	00:13.90
7.	Athul S	00:16.19
8.	llmt9	00:16.71
9.	weiziyue0000	00:17.70
10.	ChiefOsceola	00:18.23
11.	direruss	00:19.39
12.	AmithKrishna22	00:23.12
13.	LucMaster77	00:41.70
14.	Soham Bhosale	00:50.31
15.	0mega	00:54.84
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This Week
1.	prinsed	00:03.31
2.	weiziyue0000	00:17.70
3.	Soham Bhosale	00:50.31
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Today
1.	Soham Bhosale	00:50.31
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MO3
1.	Douglas Shamlin Jr.	00:01.59
2.	vowels	00:01.69
2.	Vezzick	00:01.69
4.	BingBongBob	00:02.00
5.	miki2003pl	00:02.06
6.	Nick	00:02.17
7.	BrownJohnDoe	00:02.28
8.	numbrr	00:02.32
9.	Emil1233	00:02.46
10.	Ben65732	00:02.51

AO5
1.	Douglas Shamlin Jr.	00:01.70
2.	vowels	00:01.74
3.	Vezzick	00:01.93
4.	miki2003pl	00:02.15
5.	Nick	00:02.26
6.	BingBongBob	00:02.27
7.	BrownJohnDoe	00:02.32
8.	numbrr	00:02.37
9.	Make	00:02.39
10.	Emil1233	00:02.64

AO12
1.	Douglas Shamlin Jr.	00:01.94
2.	vowels	00:01.95
3.	Vezzick	00:02.46
4.	BingBongBob	00:02.53
5.	Nick	00:02.55
6.	BrownJohnDoe	00:02.70
7.	miki2003pl	00:02.73
8.	numbrr	00:02.90
9.	NooM	00:03.05
10.	Emil1233	00:03.23

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.104
3.	4s4f4	00:00.240

* 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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2025-06-14 17:02:28

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