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
68
00:01.37
2. Georgi52 00:03.36
3. plokim
19
00:03.52
4. msimon27 00:03.56
5. Oryn
121
00:03.77
6. ackbey 00:03.91
7. Arok
97
00:03.92
8. kalaria
3
00:04.02
9. SwainStyle1
11
00:04.03
10. qobi
176
00:04.04
11. Bluegill16384
141
00:04.06
12. IrEw77777
1
00:04.30
13. sub2nrnerfguy
15
00:04.32
14. prinsed 00:04.36
15. PiMaster
3
00:04.38
16. ackbey2 00:04.43
17. fight D
8
00:04.45
18. RIZZARD OF OZ
22
00:04.51
19.
15
00:04.79
20. Richrrad
14
00:04.93
This Week
1. Georgi52 00:03.36
2. msimon27 00:03.56
3. Arok
97
00:03.92
4. qobi
176
00:04.04
5. IrEw77777
1
00:04.30
6. sub2nrnerfguy
15
00:04.32
7. fight D
8
00:04.45
8. GeorgPfleger
74
00:05.22
9. dynesonne 00:05.61
10. Dorice
189
00:06.39
11. albertzen95
2
00:06.48
12. ezequiel0001
3
00:08.32
13. lauta213
6
00:08.56
14. Saltylizard
12
00:09.58
15. apf1013 00:09.62
16. Robinne 00:10.07
17. StelianRadu
12
00:12.22
18. toryx68 00:12.55
19. dream2meme3051
1
00:12.62
20. 131a562 00:12.68
Today
1. Georgi52 00:04.60
2. apf1013 00:09.62
3. StelianRadu
12
00:12.26
4. dream2meme3051
1
00:12.62
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
68
00:01.72
2. vowels
200
00:01.80
3. nabi
92
00:02.07
4. demian2
61
00:02.29
4. BingBongBob
107
00:02.29
6. jaybrainer
161
00:02.80
7. qqwref
258
00:02.82
8. sfumato
164
00:02.91
9. jai22933
22
00:03.04
10. Vicell
9
00:03.11
AO5
1. zahhydude1
68
00:01.81
2. vowels
200
00:01.94
3. nabi
92
00:02.21
4. BingBongBob
107
00:02.40
5. demian2
61
00:02.44
6. jaybrainer
161
00:02.97
7. mtanzer
140
00:03.13
8. Vicell
9
00:03.14
9. sfumato
164
00:03.20
10. jai22933
22
00:03.21
AO12
1. zahhydude1
68
00:01.99
2. vowels
200
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. jaybrainer
161
00:03.39
8. jai22933
22
00:03.51
9. sfumato
164
00:03.64
10. qqwref
258
00:03.73
Robots / programmatic solversinfo  
1.tlstyer
1325
00:00.009
2.Charlie Li
61
00:00.709
3.Lils
53
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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2023-11-28 21:55:32

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