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	00:09.07
2.	jaripetteri	00:30.38
3.	Dorice	00:30.68
4.	Kutner17	00:47.88
5.	billanc	00:47.98
6.	xilli	01:01.03
7.	SudokuFan	04:04.06
8.	SameMistakes	24d 20:31:23.64
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This Week
1.	jaripetteri	00:30.38
2.	Dorice	00:40.07
3.	billanc	00:47.98
4.	Kutner17	01:16.08
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Today
1.	jaripetteri	00:30.38
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MO3
1.	BrownJohnDoe	00:09.81
2.	Douglas Shamlin Jr.	00:11.24
3.	numbrr	00:12.73
4.	Vezzick	00:13.04
5.	vowels	00:13.88
6.	Preston10	00:15.97
7.	Chen Wang	00:16.75
8.	Nick	00:17.36
9.	NoahR	00:17.50
10.	SilverHawk	00:18.00

AO5
1.	BrownJohnDoe	00:11.98
2.	Douglas Shamlin Jr.	00:12.17
3.	numbrr	00:14.76
4.	Preston10	00:15.89
5.	Chen Wang	00:16.19
6.	Vezzick	00:16.22
7.	vowels	00:16.77
8.	Eskimosnake	00:19.50
9.	SilverHawk	00:20.19
10.	Nick	00:20.29

AO12
1.	Douglas Shamlin Jr.	00:13.63
2.	Preston10	00:20.08
3.	vowels	00:21.16
4.	Chen Wang	00:21.54
5.	Vezzick	00:22.35
6.	Dymond	00:22.73
7.	BrownJohnDoe	00:23.22
8.	Nick	00:24.25
9.	BingBongBob	00:26.38
10.	missPear	00:28.21

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.122
3.	BertinSylux98	00:00.292

* 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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2025-11-12 13:17:20

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