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. Arok
106
00:01.57
2. beatrixwashere
88
00:01.96
3. Pablo The Penguin
13
00:02.29
4. piscescribb
11
00:02.66
5. Kutner17
136
00:03.01
6. catapostrophe
61
00:03.24
7. lennian123 00:03.39
8. Pouff 00:03.44
9. prinsed
24
00:03.63
10. jaripetteri
77
00:03.72
11. Alyname
35
00:03.78
12. gtkrouwel
111
00:03.91
13. Zhivko 00:04.12
14. lilpotetou 00:04.25
15. alzi4825 00:04.87
16. Fet
12
00:05.30
17. wojtekg 00:05.48
18. zhanglin1982
51
00:06.54
19. EmrHoca
20
00:06.94
20. Fet_
11
00:07.21
This Week
1. Arok
106
00:01.57
2. Pablo The Penguin
13
00:02.29
3. piscescribb
11
00:02.66
4. Pouff 00:03.44
5. jaripetteri
77
00:03.72
5. catapostrophe
61
00:03.72
7. gtkrouwel
111
00:03.91
8. alzi4825 00:04.87
9. zhanglin1982
51
00:06.54
10. lennian123 00:06.65
11. JonCausith 00:07.42
12. Siskofasa
21
00:07.55
13. Rawad Marrouche
3
00:07.91
14. spydermonkee
21
00:08.59
15. Koakuma
46
00:09.90
16. FunAcroFly
40
00:12.92
17. yyyyyyyejin
42
00:13.07
18. T1anLan
16
00:15.72
19. Smedberg
26
00:19.78
20. JerryGuoZhe 00:34.92
Today
1. Arok
106
00:01.57
2. Smedberg
26
00:19.78
3. cwhwillie
94
24d 20:31:23.64
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.
678
00:01.39
2. vowels
214
00:01.64
3. boru
102
00:01.86
4. numbrr
285
00:02.13
5. Nick
217
00:02.15
6. 7k enjoyer
185
00:02.17
6. qqwref
259
00:02.17
8. BrownJohnDoe
200
00:02.19
9. jaybrainer
221
00:02.21
10. miki2003pl
60
00:02.24
AO5
1. Douglas Shamlin Jr.
678
00:01.55
2. vowels
214
00:01.56
3. miki2003pl
60
00:02.22
4. Nick
217
00:02.25
5. boru
102
00:02.28
6. BrownJohnDoe
200
00:02.30
7. qqwref
259
00:02.32
8. numbrr
285
00:02.37
9. Emil1233
47
00:02.41
10. NooM
267
00:02.43
AO12
1. Douglas Shamlin Jr.
678
00:01.78
2. vowels
214
00:01.91
3. boru
102
00:02.53
4. Nick
217
00:02.61
5. BrownJohnDoe
200
00:02.63
6. numbrr
285
00:02.73
7. qqwref
259
00:02.75
8. miki2003pl
60
00:02.78
9. Ben65732
130
00:02.80
10. jai22933
23
00:02.85
Robots / programmatic solversinfo  
1.tlstyer
106
00:00.006
2.4s4f400:00.225
3.BertinSylux98
34
00:00.249

* 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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2025-03-25 20:46:58

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