LITS


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LITS is a logic puzzle with simple rules and challenging solutions.

The rules of LITS are simple:
You have to place one tetromino* in each region in such a way that:
- 2 tetrominoes of matching types cannot touch each other horizontally or vertically. Rotations and reflections count as matching.
- The shaded cells should form a single connected area.
- 2x2 shaded areas are not allowed.

* Tetromino is a shape made of 4 connected cells. There are 5 types of tetrominoes, which are usually named L, I, T, S and O, based on their shape. The O tetromino is not used in this puzzle because it is a 2x2 shape, which is not allowed.

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LITS


6x6 Normal LITS | 6x6 Hard LITS | 8x8 Normal LITS | 8x8 Hard LITS | 10x10 Normal LITS | 10x10 Hard LITS | 15x15 Normal LITS | 15x15 Hard LITS | 20x20 Normal LITS | 20x20 Hard LITS

This Month
1. picarat
54
00:32.37
2. LeMonSoda
54
00:54.62
3. kennethaw88
148
01:12.85
4. ScorpionMax 01:27.43
5. loucetios
31
01:30.34
6. swpomeroy
176
01:30.78
7. 飞飞
50
01:37.80
8. randomflyintaco
115
01:48.35
9. OCELOT
14
02:29.24
10. Wuni14 03:00.75
11. AnonyMinor
55
03:14.06
12. LindaRose
53
03:15.85
13. dsab87 03:18.92
14. boru
105
03:22.70
15. zyblui
15
03:25.16
16. CLAVDIVS
59
03:36.40
17. FunAcroFly
83
03:39.60
18. jdubs
139
03:40.35
19. RForce
58
03:50.56
20. xilli 04:00.06
This Week
1. picarat
54
00:40.50
2. loucetios
31
01:30.34
3. randomflyintaco
115
01:48.35
4. OCELOT
14
02:29.24
5. dsab87 03:18.92
6. boru
105
03:22.70
7. FunAcroFly
83
03:39.60
8. jdubs
139
03:40.35
9. xilli 04:16.11
10. MsCoralRose
52
04:18.36
11. LindaRose
53
04:22.34
12. Shellylh
40
04:23.14
13. Xiongqi ZHANG
11
05:35.71
14. JesusIsLord
66
06:28.21
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Today
1. randomflyintaco
115
02:16.31
2.--- empty -----:--
3.--- empty -----:--
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MO3
1. Make
273
00:27.26
2. Icay
189
00:35.01
3. numbrr
298
00:35.69
4. vowels
216
00:42.85
5. picarat
54
00:50.28
6. GoldChoco36
136
00:50.77
7. soy
149
00:58.72
8. haramey
231
00:59.80
9. qqwref
260
01:03.89
10. LeMonSoda
54
01:03.98
AO5
1. Make
273
00:28.85
2. Icay
189
00:33.87
3. numbrr
298
00:41.80
4. vowels
216
00:46.06
5. GoldChoco36
136
00:50.77
6. picarat
54
00:52.27
7. soy
149
00:56.28
8. haramey
231
01:02.46
9. LeMonSoda
54
01:05.70
10. Douglas Shamlin Jr.
702
01:08.04
AO12
1. Make
273
00:32.30
2. Icay
189
00:38.80
3. numbrr
298
00:47.81
4. vowels
216
00:52.86
5. GoldChoco36
136
00:55.13
6. soy
149
01:03.97
7. LeMonSoda
54
01:13.61
8. haramey
231
01:15.19
9. picarat
54
01:19.75
10. -完颜彩虹兔-
29
01:23.19
Robots / programmatic solversinfo  
1.tlstyer
126
00:00.009
2.4s4f400:00.407
3.Paul Bismuth
1
00:07.354

* 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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2025-08-20 05:16:45

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