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45 Online
Guest(x39)
,
g3i4eruwa
,
GameIsOn
,
gizmore
,
Haijo18
All(187)
,
Audio(4)
,
CGX(15)
,
Coding(23)
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Cracking(12)
,
Crypto(26)
,
Encoding(25)
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Exploit(62)
,
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,
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,
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,
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,
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,
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,
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,
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,
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,
PHP(27)
,
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,
Realistic(6)
,
Regex(2)
,
Research(7)
,
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,
Simulated(1)
,
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Training(50)
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Scored Challenges
All
Browse Folder
Coding Challenges
Score
Title
Author
Solvers
Age
Votes
Difficulty
Education
Fun
Forums
1
No Action
by
gizmore
29
85d 8h
7
1.29
2.29
1.57
2
Training: Programming 1
by
Gizmore
5090
16y 120d
246
2.89
4.60
4.86
2
2021 Christmas Gifts
by
gizmore
22
2y 338d
8
2.88
4.75
5.62
2
2021 Christmas Grampa
by
gizmore
223
2y 324d
27
0.78
1.11
1.96
2
PyHash
by
gizmore
29
180d 7h
9
2.56
7.22
5.67
3
Flow Over Astronomy
by
anto
390
16y 120d
43
4.40
5.40
5.58
3
Britcoin
by
Gizmore
40
6y 240d
18
2.83
5.28
6.67
3
Rubik's Cube
by
space
28
6y 27d
12
5.08
4.25
6.42
3
2021 Christmas Friday
by
gizmore
43
2y 341d
10
2.80
3.40
8.00
3
Few Bonaccis
by
gizmore
12
86d 6h
6
4.17
6.83
7.50
4
Training: Net Ports
by
Gizmore
456
10y 165d
24
3.12
4.83
4.67
4
Training: Time is of the Essence
by
gizmore
37
4y 29d
15
5.13
6.73
8.40
4
MD5 Broken
by
gizmore
10
29d 5h
7
3.57
3.00
7.00
5
Can you read me
by
Gizmore
499
16y 221d
37
3.86
5.84
5.68
5
Lettergrid
by
Gizmore
169
16y 221d
20
5.10
4.70
5.40
5
The Travelling Customer
by
Gizmore
109
13y 292d
26
5.81
6.92
7.65
5
Inka
by
Gizmore
35
12y 257d
12
6.00
7.08
7.92
5
Time to Reset
by
Gizmore
129
12y 45d
27
5.56
7.22
7.33
5
Valentine's Gold
by
gizmore
and
tehron
15
269d 6h
7
4.71
5.86
8.57
6
Letterworm
by
Gizmore
101
16y 220d
19
5.00
5.47
7.05
7
What is your Name?
by
Mawekl
42
12y 94d
11
7.18
8.09
7.55
7
Time to Reset II
by
Gizmore
and
noother
25
12y 40d
11
8.45
9.82
9.82
8
Crackcha
by
Gizmore
40
13y 322d
17
8.18
9.59
9.35