English
German
French
Spanish
Albanian
Dutch
Bosnian
Serbian
Turkish
Czech
Finnish
Hungarian
Italian
Polish
Russian
Estonian
Urdu
News
Links
Sites
Forum
Ranking
Challenges
Downloads
Register
New Sites
PWN.TN
PromptRiddle
PyDéfis
CryptoHack
247CTF
Énigmes À Thématiques
LordofSQLi
MysteryTwister
New Users
Dorain
Chmmr
gth
MQN
BayzLightyear
koreagreat
Akulyat
oazocez
21 Online
Guest(x18)
,
sa1m
,
steven18
All(164)
,
Audio(4)
,
Coding(18)
,
Cracking(9)
,
Crypto(26)
,
Encoding(14)
,
Exploit(58)
,
Forensics(1)
,
Fun(10)
,
HTTP(10)
,
Image(8)
,
Java(3)
,
Linux(9)
,
Logic(6)
,
Math(6)
,
MySQL(15)
,
Network(1)
,
PHP(27)
,
Python(1)
,
Realistic(6)
,
Regex(2)
,
Research(7)
,
Shell(2)
,
Simulated(1)
,
Special(10)
,
Stegano(24)
,
Storyline(4)
,
Training(36)
,
Unknown(2)
,
Warchall(11)
,
Windows(1)
,
XSS(2)
Coding Challenges
Score
Title
Author
Solvers
Age
Votes
Difficulty
Education
Fun
Forums
3
Flow Over Astronomy
by
anto
382
14y 197d
41
4.34
5.29
5.46
5
Can you read me
by
Gizmore
482
14y 298d
35
3.80
5.80
5.69
5
Lettergrid
by
Gizmore
160
14y 298d
18
4.94
4.67
5.39
6
Letterworm
by
Gizmore
98
14y 297d
18
4.94
5.39
6.94
2
Training: Programming 1
by
Gizmore
4936
14y 197d
237
2.88
4.62
4.82
8
Crackcha
by
Gizmore
40
12y 34d
17
8.18
9.59
9.35
5
The Travelling Customer
by
Gizmore
99
12y 4d
25
5.80
6.88
7.60
5
Inka
by
Gizmore
32
10y 335d
11
6.00
6.91
7.82
5
Time to Reset
by
Gizmore
114
10y 122d
25
5.52
7.16
7.36
4
Training: Net Ports
by
Gizmore
440
8y 242d
24
3.12
4.83
4.67
3
Britcoin
by
Gizmore
36
4y 317d
17
2.76
5.12
6.59
4
Training: Time is of the Essence
by
gizmore
33
2y 106d
14
5.07
6.64
8.43
3
2021 Christmas Friday
by
gizmore
33
1y 53d
9
2.78
3.44
7.89
2
2021 Christmas Gifts
by
gizmore
18
1y 50d
5
3.20
5.60
6.60
2
2021 Christmas Grampa
by
gizmore
105
1y 37d
19
0.63
1.00
1.95
7
Time to Reset II
by
Gizmore
and
noother
24
10y 117d
11
8.45
9.82
9.82
7
What is your Name?
by
Mawekl
41
10y 171d
11
7.18
8.09
7.55
3
Rubik's Cube
by
space
25
4y 104d
11
5.09
4.09
6.36