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

New Puzzle
This Month
1. Terriama
66
00:06.09
2. Lore1 00:10.77
3. shreyasmanu
41
00:12.03
4. redbag
42
00:15.46
5. spydermonkee
23
00:22.10
6. dinaki
28
00:25.71
7. unko
27
00:31.46
8. JerryG 00:39.10
9. MKYahoo
22
00:42.73
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This Week
1. redbag
42
00:15.46
2. JerryG 01:05.04
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MO3
1. Douglas Shamlin Jr.
723
00:03.80
2. BrownJohnDoe
204
00:03.85
3. numbrr
325
00:04.36
4. vowels
216
00:04.50
5. Vezzick
187
00:04.72
6. Preston10
110
00:05.42
7. Nick
217
00:06.10
8. Make
288
00:06.45
9. BingBongBob
108
00:06.82
10. Chen Wang
111
00:07.06
AO5
1. Douglas Shamlin Jr.
723
00:03.84
2. BrownJohnDoe
204
00:04.63
3. numbrr
325
00:04.68
4. vowels
216
00:05.13
5. Vezzick
187
00:05.37
6. Preston10
110
00:05.83
7. Nick
217
00:06.50
8. Chen Wang
111
00:07.05
9. Make
288
00:07.20
10. BingBongBob
108
00:07.25
AO12
1. Douglas Shamlin Jr.
723
00:04.75
2. Vezzick
187
00:06.67
3. BrownJohnDoe
204
00:06.74
4. vowels
216
00:06.84
5. numbrr
325
00:07.00
6. Preston10
110
00:07.85
7. Chen Wang
111
00:08.53
8. BingBongBob
108
00:08.62
9. Nick
217
00:08.92
10. Make
288
00:09.36
Robots / programmatic solversinfo  
1.tlstyer
154
00:00.006
1.siebi
1
00:00.006
3.cheyette00:00.105

* 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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