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. Bamboozle57 00:01.61
2. a21737074481
162
 00:01.96
2. Preston10
102
 00:01.96
4. Kutner17
151
 00:02.06
5. dharvey765
20
 00:02.09
6. thall
58
 00:02.13
7. MadraMor
160
 00:02.54
8. Truth-or-Peace
130
 00:02.89
9. prinsed
34
 00:03.23
10. Emberana
20
 00:03.93
10. Fave Fang
83
 00:03.93
12. Emzed
58
 00:03.98
13. 云界
119
 00:04.44
14. Megerger 00:04.89
15. NiceJake
19
 00:05.05
16. Educated-cat
49
 00:05.34
17. GoldChoco36
150
 00:06.45
18. Charlleway
76
 00:06.68
19. hayei 00:07.08
20. Conceited_2
197
 00:07.19
This Week
1. Preston10
102
 00:01.96
2. Kutner17
151
 00:02.06
3. thall
58
 00:02.13
4. Truth-or-Peace
130
 00:02.89
5. prinsed
34
 00:03.23
6. Emzed
58
 00:03.98
7. 云界
119
 00:04.44
8. Megerger 00:04.89
9. CroMa
85
 00:09.02
10. TrimTom2
11
 00:10.67
11. canor421
13
 00:11.36
12. Koakuma
52
 00:11.38
13. foolishfox 00:18.40
14. BlueOcarina
86
 00:19.71
15. Maxyy
1
 00:20.06
16. Goochelaar
107
 00:20.26
17. kmshyun 00:26.02
18. MushroomsCavern
47
 00:33.99
19. AnushkaBhave 00:35.63
20. ZLMISZ 01:17.38
Today
1. Preston10
102
 00:01.96
2. Kutner17
151
 00:02.06
3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. Douglas Shamlin Jr.
717
 00:01.39
2. vowels
216
 00:01.64
3. Vezzick
180
 00:01.85
4. boru
123
 00:01.86
5. numbrr
306
 00:02.13
6. jaybrainer
250
 00:02.15
6. Nick
217
 00:02.15
8. 7k enjoyer
202
 00:02.17
8. qqwref
266
 00:02.17
10. BrownJohnDoe
201
 00:02.19
AO5
1. Douglas Shamlin Jr.
717
 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
123
 00:02.28
7. BrownJohnDoe
201
 00:02.30
8. qqwref
266
 00:02.32
9. numbrr
306
 00:02.37
10. jaybrainer
250
 00:02.41
AO12
1. Douglas Shamlin Jr.
717
 00:01.78
2. vowels
216
 00:01.91
3. Vezzick
180
 00:02.36
4. boru
123
 00:02.53
5. Nick
217
 00:02.61
6. BrownJohnDoe
201
 00:02.63
7. numbrr
306
 00:02.73
8. qqwref
266
 00:02.75
9. miki2003pl
60
 00:02.78
10. Ben65732
130
 00:02.80
Robots / programmatic solversinfo  
1.tlstyer
140
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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2026-02-06 15:38:47

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