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
93
00:01.27
2. Geras
75
00:02.92
3. thelegendary08
21
00:03.14
4. Landon9 00:03.20
5. DJdeMaster
24
00:03.73
6. raffi17 00:03.77
7. hoodxxc
195
00:03.80
8. ScorpionMax 00:04.03
9. ackbey 00:04.09
10. sxz0405 00:04.11
11. GoldChoco36
92
00:04.26
12. moumoumou 00:04.38
13. puzzleist
63
00:04.45
14. dynesonne 00:04.49
15. ackbey2 00:04.52
16. Oryn
134
00:04.54
17. Truth-or-Peace
85
00:04.81
18. qobi
185
00:05.11
19. GeorgPfleger
75
00:05.22
20. pwinn
33
00:05.41
This Week
1. Geras
75
00:02.92
2. thelegendary08
21
00:03.14
3. Landon9 00:03.38
4. ackbey 00:04.09
5. moumoumou 00:04.38
6. raffi17 00:04.59
7. Truth-or-Peace
85
00:04.81
8. qobi
185
00:05.11
8. ackbey2 00:05.11
10. GeorgPfleger
75
00:05.70
11. toni4127
71
00:06.61
12. ollief 00:07.08
13. Lanmo
16
00:07.16
14. Lord Frog The Toast
5
00:07.30
15. grimmgirlfandom
47
00:08.01
16. liuxiao 00:08.04
17. NonogramLover 00:08.97
18. ScorpionMax 00:09.08
19. Enzito 00:09.25
20. MR_Johku
16
00:09.39
Today
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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. zahhydude1
93
00:01.63
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. jaybrainer
177
00:02.77
7. JZE
37
00:02.79
8. qqwref
259
00:02.82
9. sfumato
164
00:02.91
10. jai22933
23
00:03.04
AO5
1. zahhydude1
93
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. jaybrainer
177
00:02.96
7. JZE
37
00:03.01
8. mtanzer
140
00:03.13
9. Vicell
9
00:03.14
10. sfumato
164
00:03.20
AO12
1. zahhydude1
93
00:01.94
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. jaybrainer
177
00:03.39
8. bearn
194
00:03.47
9. jai22933
23
00:03.51
10. sfumato
164
00:03.64
Robots / programmatic solversinfo  
1.tlstyer
1328
00:00.009
2.Charlie Li
61
00:00.709
3.Lils
56
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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2024-03-02 06:16:43

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