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
51
00:01.58
2. Geras
72
00:02.54
3. lauraexbf 00:03.70
4. PiMaster
3
00:03.74
5. Georgi52 00:03.97
6. Alex Feng
4
00:04.14
7. UncraftedName
53
00:04.44
8. Awake
10
00:04.52
9. qobi
167
00:04.60
10. ackbey 00:04.95
11. prinsed 00:05.20
12. GeorgPfleger
73
00:05.22
13. XieTm 00:05.39
14. dynesonne 00:05.40
14. ScorpionMax 00:05.40
16. turciaaIt
14
00:05.45
17. Jaiven
21
00:05.47
18. laura0106
3
00:05.58
18. Richrrad
13
00:05.58
20. Aurorarorarora 00:05.66
This Week
1. lauraexbf 00:03.70
2. PiMaster
3
00:03.74
3. Georgi52 00:04.46
4. Awake
10
00:04.52
5. ackbey 00:04.95
6. GeorgPfleger
73
00:05.22
7. XieTm 00:05.39
8. laura0106
3
00:05.58
9. Richrrad
13
00:05.64
10. Dorice
182
00:05.75
11. dynesonne 00:06.06
12. AsianDude 00:07.21
13. G VOLTT
24
00:07.43
14. Jesse Sturre
19
00:07.83
15. Andrewpuzzle
3
00:08.12
16. HANKLER 00:08.18
17. banach
39
00:08.39
18. tangning
2
00:08.43
19. Megzarr
28
00:08.90
20. PrincessLeia
3
00:10.66
Today
1. ackbey 00:04.95
2. GeorgPfleger
73
00:05.22
3. dynesonne 00:07.03
4. HANKLER 00:08.18
5. PrincessLeia
3
00:10.66
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
197
00:01.82
2. zahhydude1
51
00:01.84
3. nabi
89
00:02.07
4. demian2
61
00:02.29
4. BingBongBob
106
00:02.29
6. qqwref
257
00:02.82
7. sfumato
164
00:02.91
8. jaybrainer
146
00:02.92
9. jai22933
22
00:03.04
10. Vicell
9
00:03.11
AO5
1. vowels
197
00:01.94
2. zahhydude1
51
00:01.95
3. nabi
89
00:02.21
4. BingBongBob
106
00:02.40
5. demian2
61
00:02.44
6. jaybrainer
146
00:02.98
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. vowels
197
00:02.27
2. zahhydude1
51
00:02.30
3. nabi
89
00:02.41
4. demian2
61
00:02.86
5. BingBongBob
106
00:02.88
6. Vicell
9
00:03.30
7. jaybrainer
146
00:03.51
7. jai22933
22
00:03.51
9. sfumato
164
00:03.64
10. qqwref
257
00:03.73
Robots / programmatic solversinfo  
1.tlstyer
1322
00:00.009
2.Charlie Li
61
00:00.709
3.KoenDe3e
50
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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2023-09-22 21:13:37

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