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.

Video Tutorial
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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. numbrr
321
00:24.07
2. OneHero
273
00:24.57
3. Sujathar 00:42.18
4. BobLobolaw1 00:45.94
5. Mikhail Sufyan
25
00:56.85
6. JustinTrappe
29
00:57.13
7. Oryn
178
00:59.06
8. Ernie A.
104
01:10.64
9. Tine Pezdic
96
01:18.26
10. Rocketdog
37
01:24.98
11. -Jason-
29
01:36.83
12. Dorice
269
01:39.43
13. La22y
10
01:40.74
14. princeGloin 01:45.88
15. Odenzon
33
01:53.87
16. user44
6
02:06.50
17. Bropro29
25
02:26.64
18. mi to
79
02:46.70
19. katzinhatz1
19
02:55.22
20. yosiaki
109
04:06.51
This Week
1. Sujathar 00:45.97
2. Oryn
178
00:59.06
3. Dorice
269
01:43.69
4. Ernie A.
104
01:46.96
5. Rocketdog
37
01:49.64
6. Odenzon
33
01:54.47
7. katzinhatz1
19
03:48.98
8. Bropro29
25
04:37.25
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Today
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MO3
1. Ludaye
72
00:22.82
2. Dymond
215
00:26.26
3. numbrr
321
00:30.70
4. Douglas Shamlin Jr.
720
00:31.21
5. Preston10
108
00:32.22
6. Nirneth
69
00:32.26
7. NoLifeChu
48
00:32.63
8. triple
23
00:35.21
9. OneHero
273
00:35.46
10. Vezzick
184
00:36.25
AO5
1. Ludaye
72
00:23.59
2. Dymond
215
00:29.36
3. numbrr
321
00:31.32
4. Douglas Shamlin Jr.
720
00:31.87
5. NoLifeChu
48
00:32.69
6. Preston10
108
00:33.25
7. OneHero
273
00:35.63
8. Nirneth
69
00:36.30
9. triple
23
00:37.45
10. zdz
96
00:43.30
AO12
1. Ludaye
72
00:24.46
2. Dymond
215
00:32.78
3. NoLifeChu
48
00:34.40
4. Preston10
108
00:39.80
5. OneHero
273
00:40.07
6. triple
23
00:41.19
7. Douglas Shamlin Jr.
720
00:41.50
8. Chen Wang
111
00:49.40
9. vowels
216
00:51.49
10. numbrr
321
00:52.21
Robots / programmatic solversinfo  
1.tlstyer
148
00:00.007
2.cheyette00:00.158
3.4s4f400:00.252

* 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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