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. KatyibNyazaVut 00:09.82
2. Sujathar 00:35.29
3. BobLobolaw1 00:44.04
4. Indirica
61
00:51.65
5. crema
168
00:54.93
6. pouldu
95
01:07.70
7. chenh 01:07.92
8. Eskimosnake
104
01:09.75
9. k03ih01
41
01:30.98
10. piscescribb
32
01:46.90
11. PhilDiggety 01:54.84
12. MarcoOlic 02:04.70
13. sslmcm
3
02:13.80
14. Enkidu
2
03:03.58
15. OuO Seal
12
03:46.37
16. ゆに
58
03:57.97
17. Zygo6089 04:00.11
18. direruss
11
04:07.18
19. Andrea Aurigemma
26
05:15.56
20. yuanjunliang
16
05:20.05
This Week
1. BobLobolaw1 00:44.04
2. Sujathar 00:45.25
3. Eskimosnake
104
01:09.75
4. Indirica
61
01:52.74
5. PhilDiggety 01:54.84
6. MarcoOlic 02:04.70
7. Zygo6089 04:00.11
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Today
1. BobLobolaw1 00:44.04
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MO3
1. Ludaye
72
00:22.82
2. Dymond
210
00:26.26
3. Douglas Shamlin Jr.
693
00:31.21
4. Nirneth
69
00:32.26
5. NoLifeChu
42
00:32.63
6. zdz
85
00:39.02
7. OneHero
247
00:39.37
8. Autuno
112
00:39.99
9. numbrr
297
00:40.61
10. stefanwg
109
00:41.04
AO5
1. Ludaye
72
00:23.59
2. Dymond
210
00:29.36
3. Douglas Shamlin Jr.
693
00:31.87
4. NoLifeChu
42
00:32.69
5. Nirneth
69
00:36.30
6. OneHero
247
00:39.57
7. zdz
85
00:43.30
8. Chen Wang
106
00:44.49
9. vowels
216
00:44.89
10. Rhododendron
132
00:45.03
AO12
1. Ludaye
72
00:24.46
2. Dymond
210
00:32.78
3. NoLifeChu
42
00:34.40
4. Douglas Shamlin Jr.
693
00:41.50
5. OneHero
247
00:44.80
6. Chen Wang
106
00:49.40
7. vowels
216
00:51.49
8. zzx
192
00:55.22
9. Vezzick
157
00:55.83
10. Autuno
112
00:56.29
Robots / programmatic solversinfo  
1.tlstyer
120
00:00.007
2.cheyette00:00.158
3.4s4f400:00.252

* 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 09:37:13

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