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.

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This Month
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This Week
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Today
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MO3
1.	Vanessa Thaisa Anton...	00:07.27
2.	vowels	01:25.21
3.	suuperch	01:37.45
4.	coolcoolguy65	01:42.71
5.	moonjady	01:42.94
6.	Icay	01:52.35
7.	ypw19	01:57.50
8.	kdu	01:59.48
9.	Namae	01:59.74
10.	Yuyinraoliang	02:05.27

AO5
1.	Vanessa Thaisa Anton...	00:07.12
2.	vowels	01:31.40
3.	suuperch	01:40.94
4.	ypw19	01:57.50
5.	Icay	01:57.59
6.	coolcoolguy65	01:58.95
7.	kdu	02:05.16
8.	Yuyinraoliang	02:06.23
9.	anonymous	02:08.29
10.	moonjady	02:11.10

AO12
1.	Vanessa Thaisa Anton...	00:09.92
2.	vowels	01:45.27
3.	suuperch	01:58.84
4.	ypw19	02:09.62
5.	Icay	02:16.92
6.	Yuyinraoliang	02:20.46
7.	anonymous	02:20.70
8.	mp3some	02:23.90
9.	hoodxxc	02:25.89
10.	Kyra05	02:32.69

Robots / programmatic solvers		info
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* 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.
You need to be logged in to track your averages

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2025-07-15 20:38:06

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