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	00:03.94
2.	boru	00:04.12
3.	PuzzleMaestro	00:05.36
4.	a21737074481	00:08.32
5.	Macy	00:11.11
6.	Fave Fang	00:14.46
7.	SophieK	00:15.79
8.	jaripetteri	00:17.32
9.	T0SBI	00:21.07
10.	DoubleA	00:28.13
11.	TrimTom2	00:38.03
12.	shuaixingren123	00:38.87
13.	JugoPuzzE	00:47.63
14.	BlueOcarina	00:51.05
15.	Scr33n	01:03.26
16.	qobi	01:06.32
17.	k03ih01	01:08.36
18.	kaerdins	01:40.33
19.	Goochelaar	01:44.81
20.	Soham Bhosale	02:03.10

This Week
1.	shuaixingren123	00:38.87
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Today
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MO3
1.	Douglas Shamlin Jr.	00:03.80
2.	BrownJohnDoe	00:03.85
3.	numbrr	00:04.36
4.	vowels	00:04.50
5.	Vezzick	00:04.72
6.	Preston10	00:05.42
7.	Nick	00:06.10
8.	BingBongBob	00:06.82
9.	Make	00:06.97
10.	Chen Wang	00:07.06

AO5
1.	Douglas Shamlin Jr.	00:03.84
2.	BrownJohnDoe	00:04.63
3.	numbrr	00:04.68
4.	vowels	00:05.13
5.	Vezzick	00:05.37
6.	Preston10	00:05.83
7.	Nick	00:06.50
8.	Chen Wang	00:07.05
9.	Make	00:07.20
10.	BingBongBob	00:07.25

AO12
1.	Douglas Shamlin Jr.	00:04.75
2.	Vezzick	00:06.67
3.	BrownJohnDoe	00:06.74
4.	vowels	00:06.84
5.	numbrr	00:07.00
6.	Preston10	00:07.85
7.	Chen Wang	00:08.53
8.	BingBongBob	00:08.62
9.	Nick	00:08.92
10.	Eskimosnake	00:09.70

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.105
3.	BertinSylux98	00:00.268

* 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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2026-02-25 04:09:45

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