English
German
French
Spanish
Albanian
Arabic
Dutch
Bosnian
Serbian
Turkish
Czech
Finnish
Hungarian
Italian
Polish
Russian
Estonian
Urdu
News
Links
Sites
Forum
Ranking
Challenges
Downloads
Register
New Sites
Hack The Web
HackMyVM
pwn.college
PWN.TN
PromptRiddle
PyDéfis
CryptoHack
247CTF
New Users
funhappyall
God_Devil
strangeh21
Dqrk
HerrMuggle
RickA2025
hu8813
less_is_more
109 Online
Guest(x104)
,
HerrMuggle
,
Munto
,
rayaseiren
,
wekito
All(179)
,
Audio(4)
,
CGX(6)
,
Coding(23)
,
Cracking(12)
,
Crypto(26)
,
Encoding(18)
,
Exploit(60)
,
Forensics(1)
,
Fun(10)
,
HTTP(11)
,
Image(8)
,
Java(3)
,
Javascript(1)
,
Linux(9)
,
Logic(6)
,
Math(9)
,
MySQL(16)
,
Network(1)
,
PHP(27)
,
Python(2)
,
Realistic(6)
,
Regex(2)
,
Research(7)
,
Shell(2)
,
Simulated(1)
,
Special(12)
,
Stegano(25)
,
Storyline(4)
,
Training(41)
,
Unknown(2)
,
Warchall(11)
,
Windows(1)
,
XSS(2)
Scored Challenges
All
Browse Folder
Training Challenges
Score
Title
Author
Solvers
Age
Votes
Difficulty
Education
Fun
Forums
4
Training: RegexMini
by
ludde
654
13y 230d
53
4.34
6.15
5.43
3
Zebra
by
hirsch
1686
14y 107d
146
2.23
2.94
4.95
1
CGX#3: Binary Encoding
by
gizmore
and
x
748
2y 91d
54
0.28
2.26
2.33
1
CGX#10: SQL Injection
by
gizmore
and
x
132
1y 325d
16
3.12
5.06
6.12
1
CGX#15: Still Binary
by
gizmore
and
x
83
208d 19h
12
1.42
2.08
2.08
1
CGX#16: Big Endian
by
gizmore
and
x
55
208d 19h
6
1.50
2.33
2.83
1
Training: Get Sourced
by
Gizmore
19989
17y 35d
1861
0.49
1.75
2.21
2
Training: Encodings I
by
Gizmore
5287
16y 327d
340
3.28
4.31
3.96
1
Training: Stegano I
by
Gizmore
13712
16y 299d
909
1.06
2.56
2.66
2
Training: Programming 1
by
Gizmore
5117
16y 299d
247
2.89
4.58
4.86
2
Training: Regex
by
Gizmore
3192
14y 245d
321
4.14
6.09
5.08
2
Training: PHP LFI
by
Gizmore
5008
14y 216d
330
2.87
5.16
4.91
2
Training: Crypto - Transposition I
by
Gizmore
4018
14y 165d
263
2.39
3.32
4.12
2
Training: Crypto - Substitution I
by
Gizmore
3254
14y 165d
195
3.04
3.65
4.43
2
Training: Crypto - Caesar II
by
Gizmore
2671
14y 165d
185
2.92
3.68
4.66
3
Training: Crypto - Substitution II
by
Gizmore
535
14y 165d
59
3.61
3.92
5.44
1
Training: Crypto - Caesar I
by
Gizmore
12987
14y 165d
848
1.19
2.47
2.73
2
Training: Crypto - Digraphs
by
Gizmore
1254
14y 165d
132
4.26
4.45
5.31
2
Training: MySQL I
by
Gizmore
6027
14y 165d
443
2.12
4.17
4.29
2
Training: MySQL II
by
Gizmore
3072
14y 165d
220
4.85
5.96
6.01
2
Training: WWW-Basics
by
Gizmore
1671
14y 163d
154
2.20
4.22
3.79
3
Training: WWW-Rewrites
by
Gizmore
444
14y 163d
40
3.33
5.17
5.42
2
Training: Register Globals
by
Gizmore
3054
14y 155d
201
2.58
4.59
4.64
2
Training: Math Pyramid
by
Gizmore
1900
14y 155d
145
4.12
4.14
5.32
2
Training: Baconian
by
Gizmore
1737
14y 148d
134
3.12
4.44
4.63
1
Training: WWW-Robots
by
Gizmore
11388
14y 136d
806
1.19
3.54
3.42
2
Training: LSB
by
Gizmore
2094
14y 136d
155
3.41
5.40
5.32
4
Training: Bacon Returns
by
Gizmore
233
14y 134d
23
4.65
3.65
3.78
2
Training: GPG
by
Gizmore
1060
14y 123d
102
2.87
6.24
4.79
3
Stegano Attachment
by
Gizmore
2012
14y 123d
155
2.53
4.01
4.55
5
The Travelling Customer
by
Gizmore
112
14y 107d
27
5.74
6.78
7.52
1
Training: ASCII
by
Gizmore
13297
14y 49d
849
0.54
1.82
1.69
1
Encodings: URL
by
Gizmore
11946
14y 49d
741
0.79
2.08
2.45
2
AUTH me
by
Gizmore
563
11y 295d
48
3.54
5.33
4.73
2
Factor 2
by
Gizmore
175
5y 189d
21
2.57
3.71
6.86
4
Training: Time is of the Essence
by
gizmore
41
4y 209d
16
5.06
6.56
8.44
1
Training: No DNS
by
gizmore
253
3y 17d
32
2.25
4.03
5.59
2
Training: Checksums
by
gizmore
89
2y 265d
18
1.94
1.67
3.44
4
Fineprint
by
gizmore
17
2y 265d
5
4.40
4.40
6.60
1
CGX#14: Cracking Intro - Amaze Us
by
DejaVu
,
gizmore
and
x
35
1y 133d
15
4.00
5.67
8.27
2
Prime Factory
by
ch0wch0w
7871
17y 35d
579
1.97
2.79
3.35