Shikaku


Translate this site.

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
Shikaku


5x5 Shikaku | 7x7 Shikaku | 10x10 Shikaku | 15x15 Shikaku | 20x20 Shikaku | 25x25 Shikaku

New Puzzle
This Month
1. coolcoolguy65
177
00:28.26
2. dimitar243 00:41.84
3. rosepetals
32
00:49.52
4. Yuyinraoliang_1
18
00:49.63
5. NunSmacker 00:51.75
6. daine
30
00:52.38
7. tanginess
47
00:54.46
8. gotFunk 00:54.57
9. cyrex45
12
00:57.32
10. elinor0406 00:58.27
11. 耒Donatien豕
6
00:59.26
12. dbot
22
01:02.41
13. Hjaka14
27
01:02.72
14. geyik
217
01:06.54
15. sheezus
21
01:07.21
16. GraceL
30
01:07.40
17. konna12 01:08.17
18. oxymiku 01:09.99
19. SniffTO 01:10.80
20. miggy
167
01:11.55
This Week
1. coolcoolguy65
177
00:32.43
2. dimitar243 00:41.84
3. rosepetals
32
00:51.08
4. NunSmacker 00:57.03
5. cyrex45
12
00:57.32
6. daine
30
00:59.86
7. geyik
217
01:06.54
8. GraceL
30
01:07.40
9. Ak57wastoosmol 01:19.94
10. GeorgPfleger
100
01:25.39
11. bwall007
24
01:27.06
12. bidnod 01:36.81
13. realp 01:39.73
14. WaaA5149 01:40.02
15. bigtexican 01:47.40
16. baikchanha 01:51.39
17. highprime
148
01:54.78
18. daspore 01:59.54
19. sheana 01:59.88
20. NihemT
27
02:00.84
Today
1. NunSmacker 00:57.03
2. rosepetals
32
01:07.08
3. Eunice Cheuk
8
05:13.75
4. PumpkinPants
10
05:52.38
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
177
00:32.42
2. vowels
216
00:41.60
3. bearn
206
00:45.18
4. demian2
61
00:55.33
5. zahhydude1
217
00:55.76
6. numbrr
321
00:56.76
7. rosepetals
32
00:57.60
8. tanginess
47
00:57.73
9. qqwref
266
00:57.96
10. JZE
88
00:58.13
AO5
1. coolcoolguy65
177
00:36.86
2. vowels
216
00:44.38
3. bearn
206
00:53.87
4. zahhydude1
217
00:57.56
5. rosepetals
32
00:59.61
6. tanginess
47
01:00.67
7. keehaag
169
01:00.96
8. qqwref
266
01:01.66
9. JZE
88
01:01.76
10.anonymous
62
01:02.17
AO12
1. coolcoolguy65
177
00:44.38
2. vowels
216
00:51.97
3. bearn
206
01:00.73
4. dbot
22
01:09.80
5. zahhydude1
217
01:10.35
6. qqwref
266
01:11.21
7.anonymous
62
01:12.93
8. JZE
88
01:13.36
9. keehaag
169
01:15.01
10. DukeAmsterdam
78
01:15.45
Robots / programmatic solversinfo  
1.dbut2
41
00:00.003
2.tlstyer
151
00:00.008
3.Charlie Li
61
00:00.224

* 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

New Puzzle

Find your position in

Find it
www.puzzle-shikaku.com
Remove Ads | Report This Ad