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.	GeorgPfleger	01:00.35
2.	Jen Jay	01:02.15
3.	Goomy	01:04.80
4.	Lanmo	01:04.89
5.	qobi	01:06.51
6.	Dorice	01:14.86
7.	Fuうた	01:24.93
8.	Lucky SAM	01:25.67
9.	HackMan	01:32.79
10.	nbapip	01:48.03
11.	grimmgirlfandom	01:49.72
12.	jaripetteri	01:49.75
13.	super2276	01:52.78
14.	dsab87	02:15.62
15.	yosiaki	02:29.17
16.	Itai795	02:38.66
17.	angelina4fina	03:17.05
18.	Trial	03:25.47
19.	frzznyh	03:29.66
20.	belcampo	03:43.05

This Week
1.	Lanmo	01:04.89
2.	GeorgPfleger	01:13.21
3.	Lucky SAM	01:25.67
4.	nbapip	01:48.03
5.	jaripetteri	02:23.60
6.	yosiaki	02:29.17
7.	belcampo	03:43.05
8.	katirish	04:06.27
9.	wellwhynot	04:52.55
10.	--- empty ---	--:--
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	GeorgPfleger	01:50.38
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.	coolcoolguy65	00:27.60
2.	vowels	00:31.91
3.	bearn	00:35.40
4.	zahhydude1	00:35.59
5.	demian2	00:35.74
6.	numbrr	00:35.88
7.	ypw19	00:37.92
8.	JZE	00:42.14
9.	sfumato	00:42.83
10.	Icay	00:42.93

AO5
1.	coolcoolguy65	00:30.02
2.	vowels	00:31.91
3.	demian2	00:37.73
4.	zahhydude1	00:37.79
5.	numbrr	00:38.80
6.	bearn	00:38.87
7.	JZE	00:42.81
8.	Icay	00:43.17
9.	ypw19	00:43.46
10.	sfumato	00:46.40

AO12
1.	vowels	00:39.61
1.	coolcoolguy65	00:39.61
3.	zahhydude1	00:43.79
4.	bearn	00:44.46
5.	JZE	00:46.73
6.	numbrr	00:48.35
7.	Icay	00:49.29
8.	ypw19	00:52.89
9.	mtanzer	00:54.07
10.	qqwref	00:56.08

Robots / programmatic solvers		info
1.	tlstyer	00:00.007
2.	Charlie Li	00:00.222
3.	Paul Bismuth	00:04.179

* 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

2025-06-09 09:06:44

www.puzzle-shikaku.com

Remove Ads