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. Yuyinraoliang
57
00:02.23
2. raffi17 00:02.63
3. ypw19
63
00:02.73
4. Landon9 00:02.91
5. Yuyinraoliang_1
14
00:03.09
6. zebramachine 00:03.37
7. CieMichu
13
00:03.60
8. Goomy
83
00:03.75
9. giotskh
147
00:03.87
10. icyWings
26
00:03.92
11. L0S3RPUP
16
00:03.93
12. prinsed
22
00:03.97
12. Matheart 00:03.97
14. Abigail Young
35
00:03.98
15. omega_
35
00:04.46
16. Green.wolf._
5
00:04.47
17. venipede 00:04.70
18. yujh
15
00:04.81
19. qobi
214
00:04.91
20. SirDiscalot
25
00:05.06
This Week
1. Green.wolf._
5
00:04.47
2. venipede 00:04.70
3. zhaooh 00:05.06
4. GeorgPfleger
83
00:05.09
5. 이동건
7
00:05.92
6. Paczs 00:06.01
7. qobi
214
00:06.03
8. aPictureElement
2
00:06.57
9. AgValen
22
00:06.91
10. DevSlicer 00:08.09
11. lolalolitaa4 00:08.16
12. knubbsal 00:08.34
13. Hundano 00:09.30
14. angelina4fina 00:09.63
15. toryx68 00:09.75
16. siaalove
87
00:10.21
17. JChas
3
00:10.84
18. yoisuckatthis 00:12.79
19. Hanoriola
2
00:13.51
20. T3
7
00:15.22
Today
1. venipede 00:04.70
2. zhaooh 00:05.06
3. Paczs 00:06.01
4. aPictureElement
2
00:06.57
5. DevSlicer 00:08.09
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
174
00:01.48
2. vowels
214
00:01.80
3. CYrZx123
42
00:02.06
4. nabi
92
00:02.07
5. demian2
61
00:02.29
5. BingBongBob
107
00:02.29
7. numbrr
277
00:02.73
8. jaybrainer
214
00:02.76
9. JZE
50
00:02.79
10. qqwref
259
00:02.82
AO5
1. zahhydude1
174
00:01.59
2. vowels
214
00:01.94
3. nabi
92
00:02.21
4. CYrZx123
42
00:02.35
5. BingBongBob
107
00:02.40
6. demian2
61
00:02.44
7. numbrr
277
00:02.83
8. jaybrainer
214
00:02.88
9.anonymous
10
00:02.93
10. JZE
50
00:03.01
AO12
1. zahhydude1
174
00:01.79
2. vowels
214
00:02.02
3. nabi
92
00:02.41
4. CYrZx123
42
00:02.69
5. demian2
61
00:02.86
6. BingBongBob
107
00:02.88
7. jaybrainer
214
00:03.22
8. Vicell
9
00:03.30
9. numbrr
277
00:03.35
10. bearn
206
00:03.47
Robots / programmatic solversinfo  
1.tlstyer
102
00:00.006
2.Charlie Li
61
00:00.211
3.xXEZXx
7
00:04.868

* 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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2025-02-06 18:18:20

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