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	00:03.48
2.	EdenGameMaster	00:07.22
3.	shallwe	00:08.76
4.	sgychen6	00:09.62
5.	jaripetteri	00:11.58
6.	Dorice	00:11.81
7.	FunAcroFly	00:12.44
8.	Kutner17	00:12.49
9.	Partimento	00:12.58
10.	Reticle	00:13.85
11.	tuberculosis	00:14.77
12.	daspore	00:14.80
13.	absolbot#6708	00:24.06
14.	bastim86	00:28.43
15.	Overloader	00:29.96
16.	小精灵	00:34.02
17.	EmrHoca	00:36.25
18.	burden42	00:45.42
19.	Bas79	01:25.84
20.	slyguy519	01:33.72

This Week
1.	Preston10	00:03.97
2.	Dorice	00:11.81
3.	Kutner17	00:12.49
4.	daspore	00:14.80
5.	absolbot#6708	00:24.06
6.	Overloader	00:29.96
7.	小精灵	00:34.02
8.	EmrHoca	00:37.15
9.	--- empty ---	--:--
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Today
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MO3
1.	Douglas Shamlin Jr.	00:03.80
2.	BrownJohnDoe	00:03.85
3.	vowels	00:04.50
4.	Vezzick	00:04.72
5.	numbrr	00:05.01
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.	vowels	00:05.13
4.	Vezzick	00:05.37
5.	Preston10	00:05.83
6.	numbrr	00:05.94
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	00:07.37
6.	Preston10	00:07.96
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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2025-10-28 16:00:25

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