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
61
00:32.97
2. coolcoolguy65
54
00:37.36
3. vowels
138
00:43.16
4. mp3some
47
01:06.55
5. eonhochang
29
01:11.01
6. IngerH 01:13.94
7. qobi
124
01:15.24
8. Kaitzschu
117
01:16.45
9. BingBongBob
24
01:16.51
10. Dorice
128
01:27.28
11. sredmond
38
01:37.67
12. GeorgPfleger
66
01:38.15
13. птну пиZдец
60
01:39.92
14. alzi4825 01:46.15
15. Katherine18 01:47.11
16. Namae
20
01:48.66
17. no1mayjah
45
02:02.31
18. jedhen 02:13.88
19. Sylence669
5
02:16.37
20. numbrr
107
02:18.35
This Week
1. demian2
61
00:37.06
2. coolcoolguy65
54
00:48.34
3. mp3some
47
01:07.35
4. qobi
124
01:15.24
5. Dorice
128
01:27.28
6. GeorgPfleger
66
01:38.15
7. alzi4825 01:46.15
8. p.b.
39
02:35.31
9. Skutti 02:36.56
10. kyrawr83 02:50.72
11. ashllyn 04:33.93
12. Dystopiik
3
06:27.62
13. whatever1128 08:47.80
14. suzy52S
6
16:15.58
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
Today
1. demian2
61
00:37.06
2. mp3some
47
01:07.35
3. GeorgPfleger
66
01:38.15
4. alzi4825 01:46.15
5. Skutti 02:36.56
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
54
00:49.93
2. vowels
138
00:52.85
3. demian2
61
00:55.33
4. qqwref
154
01:05.44
5. hoodxxc
112
01:09.62
6. sfumato
148
01:09.81
7. mtanzer
123
01:10.42
8. major414
52
01:10.67
9. Enderbrine
93
01:11.44
10. bearn
112
01:11.58
AO5
1. vowels
138
00:57.10
2. coolcoolguy65
54
00:59.23
3. demian2
61
01:06.28
4. qqwref
154
01:09.09
5. major414
52
01:10.67
6. mtanzer
123
01:13.59
7. Enderbrine
93
01:14.62
8. qobi
124
01:14.74
9. bearn
112
01:19.53
10. sfumato
148
01:19.97
AO12
1. vowels
138
01:03.35
2. coolcoolguy65
54
01:19.68
3. qqwref
154
01:21.33
4. mtanzer
123
01:25.15
5. major414
52
01:27.00
6. bearn
112
01:27.04
7. qobi
124
01:27.07
8. suuperch
83
01:29.46
9. Enderbrine
93
01:30.01
10. sfumato
148
01:32.96
Robots / programmatic solversinfo  
1.tlstyer
1314
00:00.009
2.Charlie Li
60
00:00.967
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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2022-07-06 23:03:28

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