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.	zahhydude1	00:01.37
2.	Georgi52	00:03.36
3.	plokim	00:03.52
4.	msimon27	00:03.56
5.	Oryn	00:03.77
6.	ackbey	00:03.91
7.	Arok	00:03.92
8.	kalaria	00:04.02
9.	SwainStyle1	00:04.03
10.	qobi	00:04.04
11.	Bluegill16384	00:04.06
12.	IrEw77777	00:04.30
13.	sub2nrnerfguy	00:04.32
14.	prinsed	00:04.36
15.	PiMaster	00:04.38
16.	ackbey2	00:04.43
17.	fight D	00:04.45
18.	RIZZARD OF OZ	00:04.51
19.	‎	00:04.79
20.	Richrrad	00:04.93

This Week
1.	Georgi52	00:03.36
2.	msimon27	00:03.56
3.	Arok	00:03.92
4.	qobi	00:04.04
5.	IrEw77777	00:04.30
6.	sub2nrnerfguy	00:04.32
7.	fight D	00:04.45
8.	GeorgPfleger	00:05.22
9.	dynesonne	00:05.61
10.	Dorice	00:06.39
11.	albertzen95	00:06.48
12.	ezequiel0001	00:08.32
13.	lauta213	00:08.56
14.	Saltylizard	00:09.58
15.	apf1013	00:09.62
16.	Robinne	00:10.07
17.	StelianRadu	00:12.22
18.	toryx68	00:12.55
19.	dream2meme3051	00:12.62
20.	131a562	00:12.68

Today
1.	Georgi52	00:04.60
2.	apf1013	00:09.62
3.	StelianRadu	00:12.26
4.	dream2meme3051	00:12.62
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.	zahhydude1	00:01.72
2.	vowels	00:01.80
3.	nabi	00:02.07
4.	demian2	00:02.29
4.	BingBongBob	00:02.29
6.	jaybrainer	00:02.80
7.	qqwref	00:02.82
8.	sfumato	00:02.91
9.	jai22933	00:03.04
10.	Vicell	00:03.11

AO5
1.	zahhydude1	00:01.81
2.	vowels	00:01.94
3.	nabi	00:02.21
4.	BingBongBob	00:02.40
5.	demian2	00:02.44
6.	jaybrainer	00:02.97
7.	mtanzer	00:03.13
8.	Vicell	00:03.14
9.	sfumato	00:03.20
10.	jai22933	00:03.21

AO12
1.	zahhydude1	00:01.99
2.	vowels	00:02.02
3.	nabi	00:02.41
4.	demian2	00:02.86
5.	BingBongBob	00:02.88
6.	Vicell	00:03.30
7.	jaybrainer	00:03.39
8.	jai22933	00:03.51
9.	sfumato	00:03.64
10.	qqwref	00:03.73

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.709
3.	Lils	00:07.159

* 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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2023-11-28 21:55:32

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