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

Hide the rules

Become a Patron

Feedback | Specific puzzle | FAQ

Mass Print | Hall of Fame | Statistics

Pin Ads Remove Ads

This Month
1.	Arok	00:03.04
2.	Yuyinraoliang	00:03.16
3.	jeszon	00:03.56
4.	qobi	00:03.60
5.	Eduard	00:03.63
6.	Truth-or-Peace	00:04.13
7.	Jen Jay	00:04.23
8.	yzl497	00:04.34
9.	HDXX123456789	00:04.42
10.	GeorgPfleger	00:04.48
11.	o((>ω< ))o	00:04.59
12.	oversizedpixie	00:04.67
13.	SirDiscalot	00:04.77
14.	Yeti	00:04.83
15.	prinsed	00:04.89
16.	Giorno	00:04.94
17.	Flexo	00:04.97
18.	dynesonne	00:05.11
19.	KonichanZ	00:05.25
20.	Dorice	00:05.35

This Week
1.	Eduard	00:03.63
2.	HDXX123456789	00:04.42
3.	GeorgPfleger	00:04.69
4.	prinsed	00:05.04
5.	dynesonne	00:05.11
6.	jeszon	00:05.57
7.	SirDiscalot	00:05.60
8.	Dorice	00:06.34
9.	asatzhh	00:06.46
10.	venipede	00:06.80
11.	bestofriendo	00:06.96
12.	playmaker	00:06.99
13.	qobi	00:07.51
14.	jaripetteri	00:07.69
15.	MrBucket1488Home	00:07.75
16.	toryx68	00:08.23
17.	Anakin Skywalker	00:08.25
18.	xhlo	00:08.32
19.	gentleben	00:08.54
20.	BeeinSpace	00:08.95

Today
1.	HDXX123456789	00:04.42
2.	dynesonne	00:05.11
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	00:01.48
2.	vowels	00:01.80
3.	CYrZx123	00:02.04
4.	nabi	00:02.07
5.	demian2	00:02.29
5.	BingBongBob	00:02.29
7.	jaybrainer	00:02.72
7.	numbrr	00:02.72
9.	anonymous	00:02.73
10.	JZE	00:02.79

AO5
1.	zahhydude1	00:01.59
2.	vowels	00:01.94
3.	CYrZx123	00:02.16
4.	nabi	00:02.21
5.	BingBongBob	00:02.40
6.	demian2	00:02.44
7.	numbrr	00:02.83
8.	jaybrainer	00:02.88
9.	anonymous	00:02.89
10.	JZE	00:03.01

AO12
1.	zahhydude1	00:01.78
2.	vowels	00:02.02
3.	nabi	00:02.41
4.	CYrZx123	00:02.55
5.	demian2	00:02.86
6.	BingBongBob	00:02.88
7.	anonymous	00:02.94
8.	numbrr	00:03.22
8.	jaybrainer	00:03.22
10.	Vicell	00:03.30

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	Charlie Li	00:00.211
3.	Paul Bismuth	00:01.045

* 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

More Logic Puzzles: hide showBinairo+Yin-Yang Chess Puzzles Thermometers Norinori Mosaic Minesweeper Slant LITS Galaxies Tents Battleships Pipes Hitori Heyawake Shingoki Masyu Stitches Aquarium Tapa Star Battle Kakurasu Skyscrapers Futoshiki Renzoku Word search games Shakashaka Kakuro Jigsaw Sudoku Killer Sudoku Binairo Nonograms Slitherlink Sudoku Light Up Hashi Shikaku Nurikabe Dominosa

2025-04-25 06:02:23

www.puzzle-shikaku.com

Remove Ads