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
43
00:42.38
2.sfumato
112
00:48.41
3.kaz7400:55.06
4.vowels
77
01:03.29
5.bell12101:07.51
6.Daveythe
38
01:14.84
7.mongoosestu01:16.72
8.million
48
01:20.12
9.qobi
94
01:26.95
10.Another01:33.51
11.eatatjoes01:34.25
12.MadraMor
85
01:36.67
13.N4p4l44
40
01:37.46
14.GeorgPfleger
61
01:38.15
15.Salnom
13
01:44.92
16.selenae02:00.63
17.heatman
6
02:01.73
18.ZJTZLQLJY02:05.88
19.addyline02
13
02:08.03
20.LarrySu
21
02:11.78
This Week
1.sfumato
112
00:48.41
2.kaz7400:59.98
3.Daveythe
38
01:14.84
4.mongoosestu01:18.64
5.qobi
94
01:26.95
6.eatatjoes01:34.25
7.GeorgPfleger
61
01:38.15
8.addyline02
13
02:08.03
9.Skutti02:32.03
10.p.b.
28
02:35.77
11.Schweindall02:42.30
12.BlueOcarina
41
02:46.00
13.liuxinsuiyue03:27.40
14.efeld03:29.80
15.LastPlace04:24.04
16.isaaaaac04:36.24
17.shinjjjang04:51.81
18.danpuzzler05:54.47
19.TomKorn05:55.87
20.pandarami06:04.73
Today
1.GeorgPfleger
61
01:38.15
2.Schweindall02:42.30
3.BlueOcarina
41
03:10.22
4.54sixi07:20.36
5.kapuchino23:05.11
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
43
00:55.33
2.hoodxxc
47
01:09.62
3.sfumato
112
01:09.81
4.Enderbrine
93
01:11.44
5.major414
40
01:13.22
6.qobi
94
01:14.46
7.suuperch
70
01:15.96
8.Daveythe
38
01:21.55
9.vowels
77
01:21.66
10.Tata Giorgadze
39
01:30.09
AO5
1.demian2
43
01:06.28
2.Enderbrine
93
01:14.62
3.qobi
94
01:14.74
4.sfumato
112
01:19.97
5.hoodxxc
47
01:20.21
6.major414
40
01:20.45
7.suuperch
70
01:20.78
8.Daveythe
38
01:28.18
9.vowels
77
01:29.73
10.TashiroMiraki
82
01:42.04
AO12
1.qobi
94
01:27.07
2.suuperch
70
01:29.46
3.Enderbrine
93
01:30.01
4.sfumato
112
01:32.96
5.major414
40
01:33.51
6.hoodxxc
47
01:34.39
7.vowels
77
01:36.08
8.Tata Giorgadze
39
02:00.53
9.mtanzer
95
02:19.91
10.NinjaFury68
78
02:24.13
Robots / programmatic solversinfo  
1.tlstyer
1314
00:00.009
2.Charlie Li
60
00:00.967
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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2021-11-27 12:03:21

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