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. zahhydude1
121
00:01.16
2. Landon9 00:02.47
2. coolcoolguy65
117
00:02.47
4. raffi17 00:02.76
5. ackbey2 00:03.02
6. ackbey 00:03.44
7. PiMaster
3
00:03.45
7. Yuyinraoliang
44
00:03.45
9. prinsed
13
00:03.98
10. Truth-or-Peace
101
00:04.16
11. ⒺⒿⒸⓈⒹ
21
00:04.17
12. qobi
195
00:04.45
13. beatrixwashere
37
00:04.63
14. Lanmo
27
00:04.69
15. gravitywind
37
00:04.80
16. MooKnight
35
00:04.83
17. Ming
21
00:05.79
18. Yi Xa
11
00:05.95
19. GeorgPfleger
77
00:06.06
20. BestSlanterEver 00:06.16
This Week
1. PiMaster
3
00:03.45
1. Yuyinraoliang
44
00:03.45
3. ackbey2 00:03.53
4. ackbey 00:03.69
5. Lanmo
27
00:04.69
6. MooKnight
35
00:04.83
7. Yi Xa
11
00:05.95
8. GeorgPfleger
77
00:06.06
9. BestSlanterEver 00:06.16
10. DaMathGenius 00:07.10
11. HDXX123456789 00:07.27
12. jaripetteri
48
00:07.58
13. ricardorcd 00:08.08
14. grimmgirlfandom
89
00:08.33
15. bibz0n 00:08.36
16. Zenobia
125
00:09.15
17. G VOLTT
26
00:09.52
18. willbrass 00:12.28
19. JensForsman 00:15.61
20. abb
26
00:15.65
Today
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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
121
00:01.62
2. vowels
202
00:01.80
3. nabi
92
00:02.07
4. demian2
61
00:02.29
4. BingBongBob
107
00:02.29
6. numbrr
245
00:02.73
7. jaybrainer
191
00:02.76
8. JZE
40
00:02.79
9. qqwref
259
00:02.82
10. sfumato
164
00:02.91
AO5
1. zahhydude1
121
00:01.66
2. vowels
202
00:01.94
3. nabi
92
00:02.21
4. BingBongBob
107
00:02.40
5. demian2
61
00:02.44
6. numbrr
245
00:02.83
7. jaybrainer
191
00:02.96
8. JZE
40
00:03.01
9. coolcoolguy65
117
00:03.05
10. mtanzer
140
00:03.13
AO12
1. zahhydude1
121
00:01.86
2. vowels
202
00:02.02
3. nabi
92
00:02.41
4. demian2
61
00:02.86
5. BingBongBob
107
00:02.88
6. Vicell
9
00:03.30
7. numbrr
245
00:03.35
8. jaybrainer
191
00:03.39
9. bearn
198
00:03.47
10. coolcoolguy65
117
00:03.51
Robots / programmatic solversinfo  
1.tlstyer
40
00:00.009
2.Charlie Li
61
00:00.709
3.Lils
59
00:07.159

* 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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2024-06-16 02:14:52

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