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. vowels
180
00:17.02
2. qobi
151
00:28.69
3. eonhochang
38
00:30.68
4. coolcoolguy65
83
00:32.49
5. GeorgPfleger
71
00:37.77
6. Travis Howk
32
00:53.45
7. G VOLTT
22
01:02.12
8. Goomy
19
01:02.58
9. Jbrunt
78
01:12.43
10. Goochelaar
94
01:25.40
11. jdubs
41
01:30.73
12. LeeRe
19
01:33.14
13. yosiaki
20
01:35.60
14. wei weng
5
01:39.27
15. paola1anto
7
01:44.11
16. Aerial 01:44.42
17. BobTheJedi
29
01:45.25
18. pwinn
1
01:50.17
19. fishysua
96
01:59.28
20. HHong 02:04.91
This Week
1. vowels
180
00:17.02
2. eonhochang
38
00:30.68
3. GeorgPfleger
71
00:37.77
4. Goomy
19
01:02.58
5. Jbrunt
78
01:12.43
6. jdubs
41
01:30.73
7. HHong 02:04.91
8. lez
3
03:48.60
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
Today
1.--- empty -----:--
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 -----:--
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18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. vowels
180
00:19.29
2. demian2
61
00:19.43
3. Luke Pickett
13
00:24.19
4. qqwref
230
00:27.25
5. qobi
151
00:28.02
5. bearn
139
00:28.02
7. sfumato
161
00:28.26
8. mtanzer
140
00:30.34
9. eonhochang
38
00:31.60
10. Icay
114
00:33.98
AO5
1. vowels
180
00:20.76
2. demian2
61
00:21.11
3. qqwref
230
00:26.32
4. bearn
139
00:29.92
5. Luke Pickett
13
00:29.96
6. sfumato
161
00:30.16
7. qobi
151
00:31.12
8. eonhochang
38
00:34.61
9. mtanzer
140
00:34.86
10. Icay
114
00:36.33
AO12
1. vowels
180
00:24.13
2. qqwref
230
00:32.21
3. sfumato
161
00:33.58
4. bearn
139
00:35.07
5. qobi
151
00:36.53
6. Luke Pickett
13
00:37.79
7. Icay
114
00:43.01
8. eonhochang
38
00:43.49
9. mtanzer
140
00:44.28
10. Geras
72
00:44.71
Robots / programmatic solversinfo  
1.tlstyer
1315
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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2023-03-29 04:37:25

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