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
00:02.03
2. Awake
8
00:02.69
3. Icay
93
00:02.77
4. rip
24
00:03.18
5. kyrawr8383
63
00:03.50
6. Another 00:03.51
7. 09Ash
8
00:03.67
8. Filiberke 00:03.99
9. ackbey 00:04.00
10. BigChungus 00:04.02
11. nrtz
79
00:04.32
12. businesspig1 00:04.46
13. qobi
142
00:04.60
14. KevinPiface 00:04.87
15. Arjun25
19
00:04.91
16. DorianSmiles88 00:04.95
17. SmallBlack 00:05.04
18. TostiMaker
26
00:05.08
19. emineb 00:05.13
20. MEGACHEESE
20
00:05.16
This Week
1. Awake
8
00:02.69
2. Icay
93
00:02.77
3. Another 00:03.54
4. 09Ash
8
00:03.67
5. ackbey 00:04.00
6. Arjun25
19
00:04.91
7. GeorgPfleger
69
00:05.20
8. emineb 00:05.68
9. CyBoi 00:05.88
10. Dennis Meinen
54
00:05.92
11. kushisthebush
3
00:06.19
12. GenShin 00:07.30
13. TheBigMD
63
00:07.72
14. zeefluppe 00:08.63
15. TOmmmmmmm 00:08.78
16. Zer0pi314 00:09.58
17. Bummmmm 00:10.00
18. ezragat 00:11.72
19. MJLS2018 00:13.17
20. HackMan
57
00:14.69
Today
1.--- empty -----:--
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
171
00:02.10
2. demian2
61
00:02.29
3. sfumato
160
00:02.91
4. jai22933
16
00:03.04
5. Vicell
9
00:03.11
6. nabifan
68
00:03.15
7. BingBongBob
76
00:03.16
8. mtanzer
140
00:03.19
9. qqwref
203
00:03.35
10. Awake
8
00:03.49
AO5
1. vowels
171
00:02.10
2. demian2
61
00:02.44
3. mtanzer
140
00:03.13
4. Vicell
9
00:03.14
5. BingBongBob
76
00:03.16
6. sfumato
160
00:03.20
7. jai22933
16
00:03.21
8. qqwref
203
00:03.37
9. nabifan
68
00:03.43
10. PuzzleMaestro
51
00:03.62
AO12
1. vowels
171
00:02.63
2. demian2
61
00:02.86
3. Vicell
9
00:03.30
4. BingBongBob
76
00:03.48
5. jai22933
16
00:03.51
6. sfumato
160
00:03.64
7. qqwref
203
00:03.73
8. mtanzer
140
00:04.16
9. bearn
127
00:04.26
10. Fastfaxer
117
00:04.53
Robots / programmatic solversinfo  
1.tlstyer
1314
00:00.009
2.Charlie Li
60
00:00.709
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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2022-11-29 04:00:12

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