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
113
00:01.16
2. Landon9 00:02.44
3. coolcoolguy65
114
00:02.47
4. raffi17 00:02.73
5. Yuyinraoliang
42
00:03.13
6. ackbey2 00:03.17
7. ErikLink 00:03.29
8. YYRL1 00:03.36
9. ScorpionMax 00:03.37
10. Tobi Ente
93
00:03.38
11. ackbey 00:03.48
12. KingMatias33 00:03.61
13. jwamen2024 00:03.84
14. prinsed
12
00:03.98
15. Truth-or-Peace
95
00:04.16
16. beatrixwashere
20
00:04.72
17. Allentsen 00:04.78
17. EC31
23
00:04.78
19. dynesonne 00:05.63
20. HDXX123456789 00:05.66
This Week
1. zahhydude1
113
00:01.16
2. coolcoolguy65
114
00:02.47
3. Landon9 00:02.49
4. ackbey2 00:03.17
5. raffi17 00:03.19
6. ackbey 00:03.48
7. prinsed
12
00:03.98
8. Truth-or-Peace
95
00:04.16
9. beatrixwashere
20
00:04.72
10. dynesonne 00:05.63
11. HDXX123456789 00:05.66
12. Lanmo
25
00:05.83
13. GeorgPfleger
77
00:06.06
14. TIGERxWUxNB 00:06.60
15. grimmgirlfandom
79
00:07.52
16. DaMathGenius 00:07.90
17. PrincessLeia
4
00:07.95
18. Jens
23
00:09.19
19. apple0
35
00:11.56
20. Trichinclay
8
00:11.63
Today
1. ackbey2 00:03.17
2. ackbey 00:03.48
3. TIGERxWUxNB 00:06.60
4. Trichinclay
8
00:11.63
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
113
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
240
00:02.73
7. jaybrainer
188
00:02.76
8. JZE
40
00:02.79
9. qqwref
259
00:02.82
10. sfumato
164
00:02.91
AO5
1. zahhydude1
113
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
240
00:02.83
7. jaybrainer
188
00:02.96
8. JZE
40
00:03.01
9. coolcoolguy65
114
00:03.05
10. mtanzer
140
00:03.13
AO12
1. zahhydude1
113
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. numbrr
240
00:03.35
8. jaybrainer
188
00:03.39
9. bearn
196
00:03.47
10. coolcoolguy65
114
00:03.51
Robots / programmatic solversinfo  
1.tlstyer
13
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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2024-05-21 06:11:10

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