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
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MO3
1. Douglas Shamlin Jr.
709
00:29.82
2. Encyclopedia
85
00:33.75
3. summernight
215
00:48.00
4. Dymond
210
00:54.21
5. Chen Wang
106
01:00.52
6.anonymous
168
01:03.34
7. Anas
138
01:04.22
8. NoahR
272
01:04.43
9. Noah Kilpack
99
01:04.48
10. FAlin
193
01:05.86
AO5
1. Douglas Shamlin Jr.
709
00:32.82
2. Encyclopedia
85
00:35.72
3. Dymond
210
00:55.59
4. summernight
215
00:55.68
5. Chen Wang
106
01:05.31
6. NoahR
272
01:07.28
7. Nirneth
69
01:08.45
8. Autuno
117
01:09.49
9. Sam9375
235
01:11.08
10. zzx
203
01:11.63
AO12
1. Douglas Shamlin Jr.
709
00:34.91
2. Encyclopedia
85
00:38.29
3. summernight
215
01:06.96
4. Dymond
210
01:07.88
5. NoahR
272
01:26.58
6. Calix Castillo
154
01:31.47
7. Sam9375
235
01:34.29
8. FAlin
193
01:34.34
9. 7k enjoyer
197
01:35.78
10. Noah Kilpack
99
01:38.90
Robots / programmatic solversinfo  
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* 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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2025-09-15 16:10:04

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