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. coolcoolguy65
111
00:35.25
2. llmt9
24
01:00.90
3. Koken
37
01:04.89
4. yiran
7
01:12.14
5. Yuyinraoliang
33
01:12.34
6. Krezzlu
60
01:23.81
7. GeorgPfleger
76
01:27.48
8. eatatjoes
19
01:34.31
9. WoenzelaarN
99
01:37.16
10. ihaveit 01:37.62
11. Lanmo
21
01:38.05
12. eonhochang
41
01:45.28
13. Goubtless
83
01:45.66
14. booklover2030 01:47.15
15. cinnamonbun22
21
01:48.51
16. meep54
16
01:49.42
17. Yveltal 01:50.69
18. Dorice
205
01:52.24
19. Sinews
40
01:57.13
20. Colleen2023 02:14.22
This Week
1. coolcoolguy65
111
00:35.25
2. Koken
37
01:04.89
3. llmt9
24
01:05.81
4. Yuyinraoliang
33
01:12.34
5. GeorgPfleger
76
01:27.48
6. WoenzelaarN
99
01:37.16
7. Lanmo
21
01:38.05
8. booklover2030 01:47.15
9. Dorice
205
01:52.24
10. jedhen 02:36.79
11. BestSlanterEver 03:16.26
12. ZRui2002 03:49.42
13. noahtheboa 04:04.36
14. yosiaki
60
04:43.23
15. leeches 05:11.55
16. shee sealion
43
07:51.54
17. N00blyMan 15:48.37
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
Today
1. Koken
37
01:04.89
2. llmt9
24
01:27.77
3. noahtheboa 04:04.74
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. coolcoolguy65
111
00:39.79
2. vowels
202
00:41.60
3. bearn
195
00:45.18
4. demian2
61
00:55.33
5. qqwref
259
00:57.96
6. zahhydude1
98
00:58.58
7. mp3some
89
01:03.41
8. hoodxxc
199
01:03.86
9. Icay
170
01:04.54
10. Namae
57
01:05.68
AO5
1. vowels
202
00:44.38
2. coolcoolguy65
111
00:44.63
3. bearn
195
00:53.87
4. zahhydude1
98
01:01.16
5. qqwref
259
01:01.66
6. hoodxxc
199
01:03.89
7. mp3some
89
01:05.85
8. demian2
61
01:06.28
9. major414
61
01:10.67
10. mtanzer
140
01:13.59
AO12
1. vowels
202
00:51.97
2. coolcoolguy65
111
00:51.98
3. bearn
195
01:00.73
4. qqwref
259
01:11.21
5. zahhydude1
98
01:13.86
6. mp3some
89
01:16.44
7. Icay
170
01:23.31
8. hoodxxc
199
01:23.77
9. mtanzer
140
01:25.15
10. major414
61
01:27.00
Robots / programmatic solversinfo  
1.tlstyer
1340
00:00.009
2.Charlie Li
61
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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2024-04-17 09:51:02

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