Kakurasu


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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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Kakurasu


4x4 Easy Kakurasu | 4x4 Hard Kakurasu | 5x5 Easy Kakurasu | 5x5 Hard Kakurasu | 6x6 Easy Kakurasu | 6x6 Hard Kakurasu | 7x7 Easy Kakurasu | 7x7 Hard Kakurasu | 8x8 Easy Kakurasu | 8x8 Hard Kakurasu | 9x9 Easy Kakurasu | 9x9 Hard Kakurasu

This Month
1. BobLobolaw1 00:30.79
2. crobertson2017 00:37.74
3. jaripetteri
84
00:46.55
4. Koakuma
48
00:53.10
5. crema
168
00:53.61
6. k03ih01
41
00:57.29
7. ietje1
17
01:10.56
8. auhosj877
30
01:14.76
9. OuO Seal
12
01:26.93
10. RobitussinFlow
24
02:21.40
11. wiseguy
72
07:28.40
12. ryrycrycry 18:23.31
13. xuan
17
2:49:11.01
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This Week
1. BobLobolaw1 00:30.79
2. auhosj877
30
01:14.76
3. ietje1
17
02:05.83
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Today
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MO3
1. Douglas Shamlin Jr.
693
00:13.84
2. Chen Wang
106
00:16.97
3. BrownJohnDoe
201
00:18.63
4. numbrr
297
00:19.75
5. Vezzick
157
00:20.86
6. Dymond
210
00:23.40
7. Nick
217
00:25.02
8. vowels
216
00:26.05
9. Sylphie
137
00:26.92
10. Anas
136
00:28.62
AO5
1. Chen Wang
106
00:17.93
2. Douglas Shamlin Jr.
693
00:19.29
3. BrownJohnDoe
201
00:21.67
4. numbrr
297
00:22.71
5. Vezzick
157
00:23.40
6. Dymond
210
00:25.31
7. Sylphie
137
00:27.90
8. vowels
216
00:29.79
9. summernight
211
00:30.35
10. Nick
217
00:30.48
AO12
1. Douglas Shamlin Jr.
693
00:21.21
2. Chen Wang
106
00:24.95
3. Dymond
210
00:33.20
4. Nick
217
00:34.42
5. Sylphie
137
00:37.78
6. Anas
136
00:38.49
7. Vezzick
157
00:38.87
8. 7k enjoyer
194
00:39.29
9. Sam9375
232
00:40.39
10. vowels
216
00:40.44
Robots / programmatic solversinfo  
1.tlstyer
120
00:00.006
2.cheyette00:00.119
3.BertinSylux98
34
00:00.308

* 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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2025-07-09 07:34:04

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