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	00:02.62
2.	Vicellen	00:03.35
3.	EC31	00:03.38
4.	Wojti	00:03.52
5.	jeszon	00:03.89
6.	prinsed	00:03.90
7.	bestofriendo	00:04.28
8.	FranciszekRemus	00:04.38
9.	Vasek Dousa	00:04.44
10.	dtyamada	00:04.51
11.	Landon9	00:04.71
12.	Richrrad	00:04.79
13.	Lanmo	00:04.92
14.	G VOLTT	00:04.98
15.	laKira	00:05.04
16.	qobi	00:05.19
17.	Dorice	00:05.28
18.	GeorgPfleger	00:05.76
19.	ktlesser11	00:05.80
20.	chube	00:05.97

This Week
1.	Yuyinraoliang	00:02.69
2.	Vicellen	00:03.35
3.	Wojti	00:03.52
4.	prinsed	00:03.90
5.	Richrrad	00:04.79
6.	Lanmo	00:04.92
7.	qobi	00:05.19
8.	dtyamada	00:05.89
9.	chube	00:05.97
10.	GeorgPfleger	00:05.99
11.	laKira	00:06.35
12.	bestofriendo	00:06.38
13.	nrnerfguy	00:06.52
14.	shallwe	00:06.89
15.	aisurg	00:07.28
16.	G VOLTT	00:07.72
17.	nako	00:08.10
18.	trj1111	00:08.14
19.	Conceited_2	00:10.37
20.	sigmaSYSU	00:10.58

Today
1.	AnonyMinor	00:12.82
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.	zahhydude1	00:01.62
2.	vowels	00:01.80
3.	nabi	00:02.07
4.	demian2	00:02.29
4.	BingBongBob	00:02.29
6.	numbrr	00:02.73
7.	jaybrainer	00:02.76
8.	JZE	00:02.79
9.	qqwref	00:02.82
10.	sfumato	00:02.91

AO5
1.	zahhydude1	00:01.66
2.	vowels	00:01.94
3.	nabi	00:02.21
4.	BingBongBob	00:02.40
5.	demian2	00:02.44
6.	numbrr	00:02.83
7.	jaybrainer	00:02.88
8.	JZE	00:03.01
9.	coolcoolguy65	00:03.05
10.	CYrZx123	00:03.07

AO12
1.	zahhydude1	00:01.86
2.	vowels	00:02.02
3.	nabi	00:02.41
4.	demian2	00:02.86
5.	BingBongBob	00:02.88
6.	jaybrainer	00:03.22
7.	Vicell	00:03.30
8.	numbrr	00:03.35
9.	bearn	00:03.47
10.	coolcoolguy65	00:03.51

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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2024-10-06 03:12:00

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