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
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This Week
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Today
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MO3
1. coolcoolguy65
151
01:57.41
2. vowels
216
02:05.78
3. Vanessa Thaisa Anton...
113
02:26.01
4. suuperch
121
02:26.43
5. Icay
189
02:27.44
6. hoodxxc
222
02:37.55
7.anonymous
61
02:40.06
8. Yuyinraoliang
58
02:43.40
9. mp3some
92
02:49.68
10. FAlin
190
02:49.98
AO5
1. coolcoolguy65
151
01:59.25
2. vowels
216
02:09.52
3. suuperch
121
02:24.65
4. Icay
189
02:33.52
5. hoodxxc
222
02:41.41
6. FAlin
190
02:54.03
7. Namae
62
02:55.52
8. Yuyinraoliang
58
02:55.76
9. haramey
230
02:59.58
10. mp3some
92
02:59.60
AO12
1. vowels
216
02:26.15
2. suuperch
121
02:44.45
3. hoodxxc
222
03:04.81
4. mp3some
92
03:12.28
5.anonymous
61
03:13.88
6. Yuyinraoliang
58
03:17.82
7. Icay
189
03:20.59
8. qqwref
259
03:29.11
9. haramey
230
03:30.26
10. FAlin
190
03:30.76
Robots / programmatic solversinfo  
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* 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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2025-07-06 01:54:11

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