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.	Yuyinraoliang_1	00:10.67
2.	Tobi Ente	00:12.69
3.	llmt9	00:14.85
4.	yujh	00:15.35
5.	Vasek Dousa	00:15.41
6.	RichWoods	00:17.07
7.	emorris	00:18.78
8.	AdamoF	00:18.92
9.	GeorgPfleger	00:19.39
10.	G VOLTT	00:20.40
11.	dtyamada	00:21.05
12.	GENIUSLAB	00:21.89
13.	qobi	00:22.61
14.	Lua	00:23.33
15.	geyik	00:23.82
16.	triple	00:24.80
17.	ashllyn	00:25.87
18.	白切叉燒鵝	00:27.27
19.	RavenSandcastle	00:33.16
20.	amicelli5117	00:34.00

This Week
1.	yujh	00:15.35
2.	Vasek Dousa	00:15.41
3.	emorris	00:18.78
4.	RichWoods	00:20.71
5.	GeorgPfleger	00:22.26
6.	ashllyn	00:25.87
7.	G VOLTT	00:33.16
8.	Ric.Yi	00:35.50
9.	cornstarch	00:38.85
10.	RavenSandcastle	00:48.32
11.	Film62	01:10.75
12.	thrasymachus	01:22.20
13.	--- empty ---	--:--
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20.	--- empty ---	--:--

Today
1.	--- empty ---	--:--
2.	--- empty ---	--:--
3.	--- empty ---	--:--
4.	--- empty ---	--:--
5.	--- empty ---	--:--
6.	--- empty ---	--:--
7.	--- empty ---	--:--
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9.	--- empty ---	--:--
10.	--- empty ---	--:--
11.	--- empty ---	--:--
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13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

MO3
1.	zahhydude1	00:08.04
2.	vowels	00:08.48
3.	demian2	00:08.79
4.	bearn	00:09.79
5.	Tobi Ente	00:09.97
6.	coolcoolguy65	00:10.12
7.	numbrr	00:10.75
8.	haramey	00:12.60
9.	sfumato	00:12.77
10.	qqwref	00:12.91

AO5
1.	zahhydude1	00:08.32
2.	vowels	00:09.47
3.	demian2	00:09.82
4.	Tobi Ente	00:10.85
5.	bearn	00:11.41
6.	coolcoolguy65	00:12.11
7.	numbrr	00:12.15
8.	sfumato	00:12.97
9.	qqwref	00:13.05
10.	qobi	00:13.89

AO12
1.	zahhydude1	00:10.30
2.	vowels	00:10.59
3.	bearn	00:13.05
4.	coolcoolguy65	00:13.11
5.	demian2	00:13.78
6.	Tobi Ente	00:14.06
7.	qqwref	00:15.82
8.	sfumato	00:16.09
9.	numbrr	00:16.70
10.	mtanzer	00:17.02

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.208
3.	luki6second	00:37.383

* 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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2024-12-05 01:47:17

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