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.

Video Tutorial

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This Month
1.	Preston10	00:01.66
2.	Truth-or-Peace	00:01.94
3.	a21737074481	00:02.18
4.	Macy	00:03.48
5.	prinsed	00:03.61
6.	Emzed	00:03.86
7.	Fave Fang	00:03.90
8.	yamatani	00:05.75
9.	BlueOcarina	00:06.53
10.	SophieK	00:06.66
11.	L1dji	00:06.68
12.	Savia	00:07.36
13.	Pluto	00:08.00
14.	Beastinboston	00:09.28
15.	Charlleway	00:09.31
16.	HollowKing	00:10.44
17.	K1215	00:10.66
18.	yyyykn	00:10.73
19.	Koakuma	00:10.92
20.	TrimTom2	00:10.96

This Week
1.	Preston10	00:01.66
2.	SophieK	00:06.66
3.	Savia	00:07.36
4.	Pluto	00:08.00
5.	DoubleA	00:12.36
6.	justsoso987	00:12.44
7.	T0SBI	00:16.48
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Today
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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.	grimmgirlfandom	00:02.28
7.	BrownJohnDoe	00:02.28
9.	numbrr	00:02.32
10.	Preston10	00:02.35

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.	Preston10	00:02.45

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.	Preston10	00:02.68
7.	BrownJohnDoe	00:02.70
8.	miki2003pl	00:02.73
9.	numbrr	00:02.90
10.	grimmgirlfandom	00:02.95

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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2026-02-12 11:54:10

www.puzzle-kakurasu.com

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