Shikaku


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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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Shikaku


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

This Month
1. demian2
53
00:15.45
2. mtanzer
104
00:19.66
3. sfumato
127
00:20.43
4. numbrr
65
00:26.43
5. qqwref3
60
00:30.26
6. tricritter 00:30.78
7. eonhochang
25
00:34.87
8. N4p4l44
57
00:35.41
9. BlueOcarina
51
00:42.73
10. GeorgPfleger
62
00:43.04
11. SnapWzrd
15
00:44.15
12. Andru
7
00:44.38
13. Ramasp
123
00:46.02
14. Daanbe
54
00:49.42
15. Dinosaur 00:50.14
16. Woodcharcoal
4
00:54.09
17. macallan
2
00:55.77
18. Jaycob
73
00:58.27
19. fox1204 00:58.52
20. Orntt
18
00:59.06
This Week
1. demian2
53
00:15.45
2. eonhochang
25
00:39.17
3. GeorgPfleger
62
00:43.04
4. Jaycob
73
00:58.27
5. yiran 01:01.90
6. fox1204 01:14.54
7. Aqua Freeway
33
01:25.17
8. masumimomo 01:32.65
9. MrKeith 01:57.96
10. 신동건
3
01:59.64
11. shikakumasterz 03:19.19
12. CloacaCola 05:19.91
13.--- empty -----:--
14.--- empty -----:--
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16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
Today
1. GeorgPfleger
62
00:43.04
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. demian2
53
00:20.61
2. qobi
102
00:28.02
3. bearn
78
00:28.24
4. sfumato
127
00:28.26
5. mtanzer
104
00:30.34
6. vowels
89
00:35.36
7. eonhochang
25
00:37.24
8. qqwref3
60
00:38.97
9. Andy100
64
00:40.17
10. GeorgPfleger
62
00:43.56
AO5
1. demian2
53
00:21.11
2. bearn
78
00:29.92
3. sfumato
127
00:30.16
4. qobi
102
00:31.12
5. mtanzer
104
00:34.86
6. eonhochang
25
00:38.25
7. qqwref3
60
00:38.97
8. numbrr
65
00:40.62
9. vowels
89
00:41.27
10. GeorgPfleger
62
00:43.99
AO12
1. sfumato
127
00:35.14
2. bearn
78
00:36.29
3. qobi
102
00:36.53
4. mtanzer
104
00:44.28
5. eonhochang
25
00:46.64
6. Andy100
64
00:48.33
7. vowels
89
00:48.39
8. qqwref3
60
00:50.86
9. GeorgPfleger
62
00:51.44
10. NinjaFury68
82
00:53.28
Robots / programmatic solversinfo  
1.tlstyer
1314
00:00.009
2.Charlie Li
60
00:00.871
3.--- empty -----:--

* 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.
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2022-01-28 09:41:11

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