Shikaku

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.

Video Tutorial

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This Month
1.	demian2	00:31.05
2.	mtanzer	00:37.85
3.	qqwref3	00:47.76
4.	eonhochang	00:54.86
5.	N4p4l44	01:01.11
6.	bearn	01:03.77
7.	BlueOcarina	01:07.31
8.	GeorgPfleger	01:09.04
9.	shinjjjang	01:12.56
10.	tiffany02	01:15.53
11.	Ramasp	01:17.89
12.	Qwarp	01:24.92
13.	Skutti	01:27.09
14.	Daanbe	01:28.18
15.	SnapWzrd	01:43.73
16.	AnnaMGS	01:44.24
17.	brekkie	01:58.01
18.	BlueBumblebee	02:01.88
19.	horst	02:32.76
20.	Ezie	02:40.33

This Week
1.	demian2	00:35.83
2.	mtanzer	00:37.85
3.	eonhochang	00:56.09
4.	GeorgPfleger	01:09.04
5.	shinjjjang	01:12.56
6.	BlueOcarina	01:12.95
7.	Ezie	02:40.33
8.	fox1204	02:57.36
9.	신동건	03:09.17
10.	svetvbo	03:33.24
11.	--- empty ---	--:--
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20.	--- empty ---	--:--

Today
1.	GeorgPfleger	01:09.04
2.	--- empty ---	--:--
3.	--- empty ---	--:--
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	00:35.74
2.	mtanzer	00:50.94
3.	qobi	00:51.01
4.	arcer	00:52.65
5.	sfumato	00:53.22
6.	vowels	00:53.49
7.	hoodxxc	01:00.53
8.	qqwref3	01:03.00
9.	RodrigoBrazil	01:04.41
10.	Douglas Shamlin Jr.	01:08.35

AO5
1.	demian2	00:37.73
2.	qobi	00:51.01
3.	arcer	00:53.35
4.	mtanzer	00:53.95
5.	vowels	00:57.91
6.	sfumato	00:59.64
7.	qqwref3	01:03.00
8.	hoodxxc	01:05.42
9.	GeorgPfleger	01:06.26
10.	bearn	01:10.17

AO12
1.	qobi	01:02.60
2.	arcer	01:03.09
3.	sfumato	01:06.55
4.	mtanzer	01:12.80
5.	hoodxxc	01:13.88
6.	qqwref3	01:17.31
7.	eonhochang	01:17.61
8.	Douglas Shamlin Jr.	01:20.28
9.	vowels	01:22.57
10.	bearn	01:29.20

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.957
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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2022-01-28 09:34:19

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