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. Preston10
105
 00:01.74
2. thall
59
 00:02.28
3. IceRune
68
 00:02.93
4. MushroomsCavern
56
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5. WIKENSDIKS 00:03.59
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17. JudithL
23
 00:06.08
18. Savia
75
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19. RevLiam
28
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20. lynnwhimsical 00:06.61
This Week
1. Preston10
105
 00:02.91
2. grimmgirlfandom
169
 00:03.94
3. BlueOcarina
86
 00:04.29
4. lynnwhimsical 00:06.61
5. nidacool
1
 00:07.24
6. P30VIPER
13
 00:08.06
7. vtan
7
 00:08.83
8. thekemotny
4
 00:10.50
9. XYFly 00:12.39
10. Prebensk
2
 00:19.91
11. Ingrown Toenails
2
 00:28.55
12. wecestca2
106
 00:41.87
13. Uthor 24d 20:31:23.64
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Today
1. Preston10
105
 00:02.91
2. lynnwhimsical 00:06.61
3. nidacool
1
 00:07.24
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
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MO3
1. Douglas Shamlin Jr.
718
 00:01.39
2. vowels
216
 00:01.64
3. Vezzick
180
 00:01.85
4. boru
124
 00:01.86
5. Preston10
105
 00:02.07
6. numbrr
309
 00:02.13
7. jaybrainer
254
 00:02.15
7. Nick
217
 00:02.15
9. 7k enjoyer
203
 00:02.17
9. qqwref
266
 00:02.17
AO5
1. Douglas Shamlin Jr.
718
 00:01.55
2. vowels
216
 00:01.56
3. Vezzick
180
 00:01.81
4. miki2003pl
60
 00:02.22
5. Nick
217
 00:02.25
6. boru
124
 00:02.28
7. BrownJohnDoe
202
 00:02.30
8. qqwref
266
 00:02.32
9. Preston10
105
 00:02.33
10. numbrr
309
 00:02.37
AO12
1. Douglas Shamlin Jr.
718
 00:01.78
2. vowels
216
 00:01.91
3. Vezzick
180
 00:02.36
4. boru
124
 00:02.53
5. Nick
217
 00:02.61
6. BrownJohnDoe
202
 00:02.63
7. Preston10
105
 00:02.69
8. numbrr
309
 00:02.73
9. qqwref
266
 00:02.75
10. miki2003pl
60
 00:02.78
Robots / programmatic solversinfo  
1.tlstyer
141
00:00.006
2.cheyette00:00.105
3.4s4f400:00.225

* 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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2026-03-09 17:16:12

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