Shikaku


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Shikaku (also known as Rectangles) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. You have to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.

Click and drag to draw a rectangle. To remove lines use the right mouse button or hold the Ctrl or the Shift key.

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Shikaku


5x5 Shikaku | 7x7 Shikaku | 10x10 Shikaku | 15x15 Shikaku | 20x20 Shikaku | 25x25 Shikaku

This Month
1.demian2
30
00:01.98
2.mtanzer
68
00:03.38
3.funky
2
00:03.42
4.Evan99w
9
00:03.68
5.Aetias00:03.77
6.qobi
79
00:03.91
7.sfumato
69
00:04.02
8.million
34
00:04.29
9.fasda
6
00:04.30
10.Arham_Eagle
5
00:04.51
11.twiggylees
4
00:04.62
12.PatrizioMN
4
00:04.67
13.goldfishsoup
7
00:04.70
14.kimsephia00:04.83
15.Ailurus
71
00:04.98
16.Kutner17
38
00:05.19
17.Hwank00:05.23
18.zycyyds00:05.25
19.lizardwizard433
23
00:05.32
19.Sandwurm
2
00:05.32
This Week
1.demian2
30
00:02.04
2.funky
2
00:03.42
3.sfumato
69
00:04.02
4.qobi
79
00:04.41
5.twiggylees
4
00:04.62
6.PatrizioMN
4
00:04.67
7.kimsephia00:04.83
8.Sandwurm
2
00:05.32
9.Ben65732
73
00:05.65
10.Aureli
31
00:05.66
11.GeorgPfleger
58
00:05.76
12.vickyhere
24
00:06.02
13.Delabranche
39
00:07.63
14.Arham_Eagle
5
00:07.66
15.PenguinPowered00:07.74
16.HighlandP
53
00:07.88
17.AnthonyL
30
00:08.94
18.elysia
1
00:09.08
19.TheFakeTJ
4
00:09.25
20.orangeball23300:09.28
Today
1.demian2
30
00:02.04
2.GeorgPfleger
58
00:05.76
3.Kenzz00:18.31
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.demian2
30
00:02.32
2.mtanzer
68
00:04.14
3.sfumato
69
00:04.15
4.savebog
11
00:04.29
5.Geras
32
00:04.31
6.qobi
79
00:04.44
7.poepjes
16
00:04.72
8.ichigo
23
00:04.73
9.tuberculosis
21
00:04.75
10.million
34
00:04.82
AO5
1.demian2
30
00:02.60
2.sfumato
69
00:04.17
3.savebog
11
00:04.29
4.mtanzer
68
00:04.59
5.qobi
79
00:04.64
6.tuberculosis
21
00:04.78
7.SirDiscalot
24
00:04.93
8.poepjes
16
00:04.95
8.Evan99w
9
00:04.95
10.ichigo
23
00:05.05
AO12
1.demian2
30
00:03.01
2.savebog
11
00:05.15
3.mtanzer
68
00:05.34
4.qobi
79
00:05.47
5.SirDiscalot
24
00:05.48
6.tuberculosis
21
00:05.49
7.ichigo
23
00:05.54
8.sfumato
69
00:05.61
9.poepjes
16
00:05.87
10.million
34
00:06.05
Robots / programmatic solversinfo  
1.tlstyer
1313
00:00.009
2.Charlie Li
60
00:00.709
3.--- empty -----:--

* 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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2021-08-02 11:46:56

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