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 | Report This Ad

This Month
1.	tanginess	00:02.22
2.	puzzliver	00:03.61
3.	coolcoolguy65	00:03.66
4.	venipede	00:04.04
5.	marbleeeee	00:04.22
6.	shallwe	00:04.27
7.	MISAKI11037	00:04.45
8.	SirDiscalot	00:04.51
9.	ymaili229	00:04.72
10.	zooandroo	00:04.75
11.	NOHJIWAN	00:04.85
12.	qobi	00:04.88
12.	GeorgPfleger	00:04.88
14.	fenshen625	00:04.96
15.	imboreed	00:05.23
16.	Milo Smith	00:05.56
17.	jaripetteri	00:05.78
18.	MadraMor	00:05.79
19.	Dorice	00:05.81
20.	Geretnyek	00:06.01

This Week
1.	coolcoolguy65	00:03.66
2.	venipede	00:04.04
3.	marbleeeee	00:04.22
4.	shallwe	00:04.27
5.	NOHJIWAN	00:05.10
6.	imboreed	00:05.23
7.	zooandroo	00:05.35
8.	GeorgPfleger	00:05.53
9.	Milo Smith	00:05.56
10.	MISAKI11037	00:06.12
11.	OrxhidCrimes	00:06.82
12.	Koakuma	00:07.06
13.	Mateo415	00:08.04
14.	chube	00:08.18
15.	sway85	00:08.31
16.	dg4444	00:09.06
17.	windyrjs	00:10.36
18.	yasuyo	00:10.49
19.	FacelessNomad	00:11.62
20.	GirlSailor	00:11.82

Today
1.	Yo	00:13.91
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	00:01.45
2.	vowels	00:01.80
3.	CYrZx123	00:01.96
4.	nabi	00:02.07
5.	demian2	00:02.29
5.	BingBongBob	00:02.29
7.	jaybrainer	00:02.54
8.	numbrr	00:02.72
9.	anonymous	00:02.73
10.	JZE	00:02.79

AO5
1.	zahhydude1	00:01.56
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	00:01.74
2.	vowels	00:02.02
3.	nabi	00:02.41
4.	CYrZx123	00:02.52
5.	demian2	00:02.86
6.	BingBongBob	00:02.88
7.	anonymous	00:02.94
8.	jaybrainer	00:03.00
9.	numbrr	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

2025-10-03 02:16:51

www.puzzle-shikaku.com

Remove Ads | Report This Ad