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
00:06.14
2. vowels
180
00:07.18
3. Tobi Ente
51
00:10.47
4. SelzzupCigol 00:14.97
5. coolcoolguy65
83
00:16.12
6. Georgi52 00:17.04
7. GeorgPfleger
71
00:17.44
8. eonhochang
38
00:17.75
9. Travis Howk
32
00:17.82
10. Goomy
19
00:26.39
11. kingaphrodite 00:26.91
12. pwinn
1
00:27.59
13. SpendMoney 00:28.17
14. Goochelaar
94
00:28.34
15. Jbrunt
78
00:28.60
16. G VOLTT
22
00:31.08
17. tuberculosis
28
00:31.19
18. f0rgs 00:31.47
19. BingDwenDwen 00:36.40
20. tensa 00:36.91
This Week
1. GeorgPfleger
71
00:17.56
2. eonhochang
38
00:18.35
3. Georgi52 00:18.81
4. Goomy
19
00:26.39
5. SpendMoney 00:28.17
6. Jbrunt
78
00:28.60
7. jdubs
41
00:40.81
8. MatiasRF
6
00:48.65
9. ashtonyoung 01:07.80
10. lez
3
01:10.00
11. avilabean11 01:24.43
12. chocolateonions
17
01:28.19
13. AbsInfini2022
10
02:41.57
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
Today
1. Georgi52 00:20.07
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. vowels
180
00:08.48
2. demian2
61
00:08.79
3. coolcoolguy65
83
00:12.24
4. sfumato
161
00:12.77
5. qqwref
230
00:12.91
6. Tobi Ente
51
00:13.37
7. qobi
151
00:13.41
8. mtanzer
140
00:13.71
9. funuyu#8070
33
00:14.74
10. Icay
114
00:14.75
AO5
1. vowels
180
00:09.50
2. demian2
61
00:09.82
3. sfumato
161
00:12.97
4. qqwref
230
00:13.05
5. qobi
151
00:13.89
6. bearn
139
00:14.17
7. mtanzer
140
00:14.31
8. Tobi Ente
51
00:14.82
9. ichigo
29
00:16.33
10. numbrr
152
00:16.35
AO12
1. vowels
180
00:10.93
2. demian2
61
00:13.78
3. qqwref
230
00:15.82
4. sfumato
161
00:16.09
5. mtanzer
140
00:17.02
6. qobi
151
00:17.04
7. Tobi Ente
51
00:18.42
8. funuyu#8070
33
00:19.04
9. eonhochang
38
00:19.74
10. Fastfaxer
117
00:19.82
Robots / programmatic solversinfo  
1.tlstyer
1315
00:00.009
2.Charlie Li
60
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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2023-03-29 04:43:39

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