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
00:08.88
2. Tobi Ente
93
00:09.03
3. Yuyinraoliang
33
00:12.59
4. Goubtless
83
00:16.79
5. Lanmo
21
00:18.37
6. astrofutu 00:19.49
7. John9439
94
00:19.50
8. eonhochang
41
00:21.13
9. Wwwww79 00:22.22
10. egosi
6
00:22.85
11. GeorgPfleger
76
00:23.59
12. RichWoods 00:24.58
13. PillOw
15
00:24.76
14. Dorice
205
00:27.29
15. colwellblaine 00:30.75
16. apple0
32
00:30.79
17. BestSlanterEver 00:34.24
18. ashllyn 00:38.31
19. shee sealion
43
00:40.31
20. eDan1776 00:42.66
This Week
1. Yuyinraoliang
33
00:12.59
2. GeorgPfleger
76
00:23.59
3. RichWoods 00:28.14
4. egosi
6
00:34.18
5. BestSlanterEver 00:34.24
6. yefllower
22
02:45.74
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 -----:--
Today
1. Yuyinraoliang
33
00:17.40
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. zahhydude1
98
00:08.29
2. vowels
202
00:08.48
3. demian2
61
00:08.79
4. bearn
195
00:09.79
5. Tobi Ente
93
00:11.46
6. coolcoolguy65
111
00:12.24
7. haramey
180
00:12.60
8. sfumato
164
00:12.77
9. qqwref
259
00:12.91
10. qobi
190
00:13.41
AO5
1. zahhydude1
98
00:09.19
2. vowels
202
00:09.50
3. demian2
61
00:09.82
4. bearn
195
00:11.41
5. Tobi Ente
93
00:11.86
6. sfumato
164
00:12.97
7. qqwref
259
00:13.05
8. qobi
190
00:13.89
9. mtanzer
140
00:14.31
10. haramey
180
00:14.50
AO12
1. zahhydude1
98
00:10.63
2. vowels
202
00:10.93
3. bearn
195
00:13.05
4. demian2
61
00:13.78
5. Tobi Ente
93
00:14.86
6. qqwref
259
00:15.82
7. sfumato
164
00:16.09
8. numbrr
232
00:16.70
9. mtanzer
140
00:17.02
10. qobi
190
00:17.04
Robots / programmatic solversinfo  
1.tlstyer
1340
00:00.009
2.Charlie Li
61
00:00.874
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 10:14:50

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