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Challenges
Score
Title
Author
Solvers
Age
Votes
Difficulty
Education
Fun
Forums
2
Prime Factory
by
ch0wch0w
7607
14y 302d
559
1.98
2.80
3.36
6
Morsed
by
Gizmore
72
14y 302d
16
6.31
6.88
6.94
3
Connect the Dots
by
galen
947
14y 302d
77
3.34
3.99
5.38
3
hi
by
Gizmore
2001
14y 302d
145
2.41
3.30
3.51
6
Count, don't wonder
by
galen
34
14y 302d
9
5.89
5.44
7.33
1
Training: Get Sourced
by
Gizmore
18614
14y 302d
1745
0.48
1.72
2.17
7
Save the World
by
Z
216
14y 302d
36
6.50
7.94
7.78
5
Can you read me
by
Gizmore
482
14y 302d
35
3.80
5.80
5.69
8
Agent Larry
by
Z
46
14y 302d
13
6.77
8.08
8.54
5
Lettergrid
by
Gizmore
160
14y 302d
18
4.94
4.67
5.39
5
The Nap
by
Z
53
14y 302d
19
5.74
8.00
8.00
6
Letterworm
by
Gizmore
98
14y 301d
18
4.94
5.39
6.94
3
Stegano Woman
by
Z
471
14y 276d
41
3.78
4.00
5.27
6
Anderson Application Auditing
by
Z
203
14y 276d
43
6.30
8.77
9.14
4
bill for Bill
by
Z
499
14y 251d
77
4.65
6.00
8.58
5
Sudoku I
by
Gizmore
154
14y 251d
40
7.47
7.50
8.05
2
Training: Encodings I
by
Gizmore
5082
14y 229d
326
3.33
4.33
3.95
4
Trivia
by
Z
and
Gizmore
777
14y 212d
90
5.28
6.39
7.20
1
Training: Stegano I
by
Gizmore
12835
14y 201d
844
1.08
2.56
2.60
2
Training: Programming 1
by
Gizmore
4939
14y 201d
237
2.88
4.62
4.82
3
Flow Over Astronomy
by
anto
382
14y 201d
41
4.34
5.29
5.46
5
DropDaBass
by
anto
33
14y 201d
14
6.50
5.00
5.50
5
Sidology
by
Gizmore
329
14y 201d
61
4.13
4.43
7.26
3
Towers of Hanoi
by
Z
227
14y 201d
29
4.62
5.34
6.83
5
Out of the Cloud
by
anto
41
14y 194d
15
5.73
4.33
6.33
5
A Black Hats Tale
by
Z
220
14y 156d
45
5.96
7.69
7.93
6
The Cookie is a lie
by
Z
68
14y 136d
21
3.76
5.38
6.90
3
Enlightment
by
anto
1107
14y 84d
132
5.05
4.72
6.08
3
Simply Red
by
anto
329
14y 84d
35
5.20
5.49
6.49
6
Malware
by
Z
201
14y 14d
29
4.14
5.55
6.76
3
htmlspecialchars
by
Gizmore
and
Kender
1085
13y 316d
90
3.44
4.87
4.02
5
Fix Us
by
Z
and
Gizmore
86
13y 314d
23
5.70
7.35
6.83
7
Screwed Signup
by
Gizmore
273
13y 314d
37
5.81
7.46
7.46
3
Impossible n'est pas français
by
CommComm
437
13y 308d
45
2.89
3.73
6.04
3
PHP 0815
by
Gizmore
1073
13y 249d
86
4.07
5.41
5.21
3
Guesswork
by
Gizmore
1606
13y 249d
91
3.51
2.29
3.63
4
PHP 0816
by
Gizmore
751
13y 232d
62
4.02
5.81
5.47
4
Quangcurrency
by
quangntenemy
and
Gizmore
282
13y 158d
39
3.67
5.90
6.62
4
Addslashes
by
Gizmore
846
13y 157d
70
5.43
7.26
6.60
6
Z - Reloaded
by
Z
and
Gizmore
135
13y 153d
34
5.85
7.65
8.18
6
Credit Card Challenge Pwned!
by
Z
60
13y 153d
23
5.65
7.17
8.65
7
Order By Query
by
Gizmore
500
13y 153d
69
6.45
7.51
7.33
4
Yourself PHP
by
Gizmore
and
Kender
696
12y 159d
64
4.56
6.80
5.98
5
Table Names
by
Gizmore
755
12y 159d
77
4.79
6.12
6.43
3
No Escape
by
Gizmore
2420
12y 159d
194
4.05
5.46
5.49
4
The Guestbook
by
Gizmore
757
12y 159d
77
4.95
6.53
7.06
4
Crappyshare
by
Gizmore
593
12y 159d
49
3.76
5.45
6.08
4
Paranoid
by
Gizmore
157
12y 159d
34
3.12
1.85
5.03
7
Snake
by
Gizmore
and
lazer
46
12y 159d
14
5.64
6.14
8.71
2
Training: Regex
by
Gizmore
3023
12y 147d
310
4.17
6.11
5.09
6
GizCrypt
by
Gizmore
158
12y 147d
33
4.94
5.73
7.52
5
The Last Hope
by
bsdhell
118
12y 147d
18
7.22
7.17
8.33
2
Training: PHP LFI
by
Gizmore
4843
12y 118d
316
2.89
5.22
4.93
2
PHP 0817
by
Gizmore
5980
12y 83d
401
1.62
3.80
3.49
4
MD5.SALT
by
Gizmore
600
12y 83d
64
5.06
6.27
6.84
2
Training: Crypto - Transposition I
by
Gizmore
3840
12y 67d
249
2.42
3.30
4.07
2
Training: Crypto - Substitution I
by
Gizmore
3119
12y 67d
185
3.07
3.60
4.35
2
Training: Crypto - Caesar II
by
Gizmore
2525
12y 67d
174
2.97
3.67
4.67
3
Training: Crypto - Substitution II
by
Gizmore
510
12y 67d
55
3.64
3.89
5.36
1
Training: Crypto - Caesar I
by
Gizmore
12160
12y 67d
799
1.21
2.48
2.72
2
Training: Crypto - Digraphs
by
Gizmore
1210
12y 67d
129
4.27
4.44
5.27
2
Training: MySQL I
by
Gizmore
5758
12y 67d
427
2.12
4.18
4.30
2
Training: MySQL II
by
Gizmore
2947
12y 67d
211
4.82
5.97
5.99
2
Training: WWW-Basics
by
Gizmore
1634
12y 65d
151
2.19
4.20
3.78
3
Training: WWW-Rewrites
by
Gizmore
430
12y 65d
39
3.33
5.15
5.41
5
WC Hashing Game
by
Gizmore
214
12y 62d
39
4.18
5.18
6.13
2
Training: Register Globals
by
Gizmore
2941
12y 57d
195
2.56
4.55
4.62
2
Training: Math Pyramid
by
Gizmore
1827
12y 57d
139
4.10
4.14
5.32
2
Training: Baconian
by
Gizmore
1661
12y 50d
126
3.17
4.45
4.64
1
Training: WWW-Robots
by
Gizmore
10672
12y 38d
751
1.22
3.50
3.40
2
Training: LSB
by
Gizmore
2018
12y 38d
148
3.43
5.46
5.32
8
Crackcha
by
Gizmore
40
12y 38d
17
8.18
9.59
9.35
4
Training: Bacon Returns
by
Gizmore
211
12y 36d
19
4.37
3.26
3.42
2
Training: GPG
by
Gizmore
1031
12y 25d
98
2.86
6.16
4.69
3
Stegano Attachment
by
Gizmore
1914
12y 25d
150
2.55
3.98
4.50
6
B.AiM
by
BAIM
and
Gizmore
20
12y 9d
7
5.86
7.00
7.43
3
Zebra
by
hirsch
1573
12y 9d
140
2.26
2.88
4.94
5
The Travelling Customer
by
Gizmore
99
12y 9d
25
5.80
6.88
7.60
2
Limited Access
by
wannabe7331
2457
12y 3d
142
2.68
4.62
4.29
2
Limited Access Too
by
wannabe7331
and
lordOric
1757
12y 18h
90
3.00
4.84
4.58
1
Training: ASCII
by
Gizmore
12445
11y 316d
801
0.55
1.83
1.67
1
Encodings: URL
by
Gizmore
11218
11y 316d
691
0.81
2.07
2.41
5
Preg Evasion
by
noother
144
11y 279d
25
6.96
9.12
8.52
3
Pimitive Encryption
by
Gizmore
382
11y 278d
57
3.40
4.74
6.82
7
Speed Your Way To VICtory
by
Jander
20
11y 265d
10
8.70
8.70
8.70
5
Blinded by the light
by
Gizmore
379
11y 221d
55
6.11
7.47
7.69
5
Smile
by
livinskull
and
Gizmore
80
11y 192d
19
5.84
6.79
7.74
6
Fremes
by
Gizmore
25
11y 192d
13
5.69
5.31
8.46
3
Vermeer
by
XcrAckX
225
11y 192d
42
3.93
4.07
5.81
2
Shadowlamb - Chapter I
by
Gizmore
368
11y 186d
68
2.75
2.59
7.03
4
Tracks
by
Gizmore
898
11y 166d
67
2.63
3.15
3.37
3
Stop us
by
noother
and
Gizmore
315
11y 160d
39
4.64
5.97
6.26
3
PHP 0818
by
noother
1092
11y 145d
73
3.18
4.81
4.96
4
Training: RegexMini
by
ludde
626
11y 132d
49
4.39
6.08
5.43
6
Babbage and Coldplay
by
ludde
44
11y 129d
12
6.00
6.17
7.42
3
Are you serial
by
Gizmore
608
11y 117d
58
3.34
5.59
5.62
6
Blinded by the lighter
by
kwisatz
195
11y 76d
34
7.50
8.47
8.65
3
Shadowlamb - Chapter II
by
Gizmore
91
11y 50d
23
4.39
4.04
7.74
4
Identity
by
Gizmore
128
11y 50d
31
5.10
5.71
8.26
2
Training: Warchall - The Beginning
by
WarChallStaff
1913
11y 40d
214
2.50
4.72
7.33
7
Training: Warchall - 7 Tropical Fruits
by
tropic
171
11y 40d
21
6.52
8.10
8.19
4
Shadowlamb - Chapter III
by
Gizmore
45
11y 25d
11
3.82
1.36
8.36
3
SSH... Z is sleeping
by
Z
154
10y 347d
27
5.26
7.89
7.59
4
Burning Fox
by
Gizmore
150
10y 343d
25
4.88
6.64
8.16
5
Inka
by
Gizmore
32
10y 339d
11
6.00
6.91
7.82
2
Repeating History
by
space
and
Gizmore
640
10y 325d
60
3.75
3.63
4.63
2
PHP My Admin
by
Gizmore
660
10y 320d
38
3.53
2.95
3.05
4
Choose your Path
by
Mart
and
gizmore
553
10y 318d
50
4.22
5.70
6.68
4
Choose your Path II
by
Mart
and
gizmore
339
10y 315d
26
4.27
5.58
6.85
2
Training: Caterpillar
by
Gizmore
380
10y 306d
42
4.71
3.74
3.52
4
Chessy Hawks
by
Jinx
54
10y 303d
8
5.62
3.12
4.50
3
eXtract Me
by
oleg
149
10y 301d
33
5.52
6.21
6.91
4
Py-Tong
by
space
439
10y 295d
31
4.32
6.26
6.68
3
PHP 0819
by
space
708
10y 289d
66
4.55
6.06
6.06
6
Warchall: Tryouts
by
matrixman
119
10y 270d
17
8.00
8.94
9.00
4
Warchall: Live LFI
by
Gizmore
559
10y 244d
40
3.85
4.80
6.12
4
Warchall: Live RFI
by
Gizmore
497
10y 244d
42
3.60
5.05
6.43
6
Are you blind?
by
Mawekl
120
10y 175d
19
6.74
7.79
8.63
6
Light in the Darkness
by
Mawekl
142
10y 175d
18
7.33
8.78
7.50
7
What is your Name?
by
Mawekl
41
10y 175d
11
7.18
8.09
7.55
5
Shadowlamb - Chapter IV
by
Gizmore
31
10y 168d
10
4.50
2.80
5.30
5
Time to Reset
by
Gizmore
114
10y 126d
25
5.52
7.16
7.36
7
Time to Reset II
by
Gizmore
and
noother
24
10y 122d
11
8.45
9.82
9.82
4
HOST me
by
space
409
9y 197d
32
5.47
7.31
6.88
7
Stalking
by
Gizmore
12
9y 197d
5
6.60
5.20
10.00
2
AUTH me
by
Gizmore
532
9y 197d
44
3.55
5.25
4.68
5
Brainfucked
by
Gizmore
235
9y 113d
34
4.21
5.35
6.00
5
QMine
by
quangntenemy
19
9y 113d
6
6.50
5.50
6.33
3
Illuminati
by
Gizmore
83
9y 113d
16
3.69
5.44
5.81
4
Warchall: Live RCE
by
phiber
and
nurfed
257
9y 38d
22
5.91
7.36
7.32
6
Three Times Sad
by
dloser
9
9y 28d
5
8.20
8.20
8.40
7
Warchall: Nurxxed
by
nurfed
20
9y 15d
7
8.71
10.00
9.00
6
Table Names II
by
nurfed
334
8y 355d
32
5.69
8.12
7.72
2
Interesting
by
Gizmore
231
8y 289d
29
3.34
4.31
6.48
6
Experience
by
Gizmore
20
8y 261d
9
6.44
5.67
6.56
9
The BrownOS
by
dloser
4
8y 254d
3
10.00
6.67
10.00
4
Training: Net Ports
by
Gizmore
440
8y 246d
24
3.12
4.83
4.67
8
2013 New Years Special
by
quangntenemy
15
8y 234d
7
8.00
8.29
7.86
7
Disclosures
by
gizmore
and
dloser
19
8y 218d
8
7.00
6.75
7.62
6
Nippon
by
Gizmore
and
lazer
10
6y 214d
7
8.29
5.00
6.71
2
Wanda
by
Gizmore
66
6y 106d
18
4.61
4.28
5.94
5
Zen
by
Gizmore
30
6y 53d
12
5.00
4.33
6.75
2
Railsbin
by
Gizmore
104
5y 53d
21
2.67
3.48
4.95
3
Britcoin
by
Gizmore
36
4y 321d
17
2.76
5.12
6.59
3
Rubik's Cube
by
space
25
4y 108d
11
5.09
4.09
6.36
2
Factor 2
by
Gizmore
141
3y 91d
19
2.47
3.58
6.84
4
Training: Time is of the Essence
by
gizmore
33
2y 111d
14
5.07
6.64
8.43
5
2020 Christmas Special
by
quangntenemy
and
Gizmore
12
2y 42d
5
4.80
6.00
9.40
7
Old Years Eve 2020
by
Gizmore
11
2y 34d
4
6.50
5.25
5.75
7
Memorized
by
Gizmore
9
2y 17d
4
5.00
7.25
8.00
3
Contribute
by
Gizmore
10
1y 309d
2
2.50
2.50
6.00
6
Temper
by
jusb3
4
1y 284d
4
7.00
8.75
10.00
4
The Mime Files
by
Gizmore
42
1y 216d
13
3.46
4.54
7.92
2
2021 Christmas Tweet
by
gizmore
10
1y 59d
7
3.86
4.29
6.14
1
2021 Christmas Hippety
by
gizmore
36
1y 58d
8
3.50
2.25
5.75
3
2021 Christmas Friday
by
gizmore
33
1y 57d
9
2.78
3.44
7.89
2
2021 Christmas Gifts
by
gizmore
18
1y 55d
5
3.20
5.60
6.60
2
2021 Christmas Grampa
by
gizmore
106
1y 41d
19
0.63
1.00
1.95
1
Training: No DNS
by
gizmore
104
284d 21h
17
1.59
3.53
6.24
2
LoFi
by
gizmore
13
276d 12h
3
2.67
0.67
2.33
2
IRC: Duckhunt
by
gizmore
18
257d 23h
6
2.00
2.00
9.00
2
Training: Checksums
by
gizmore
27
167d 16h
10
2.00
1.00
3.00
4
Fineprint
by
gizmore
6
167d 16h
5
4.40
4.40
6.60
5
Tribal Revival
by
gizmore
1
39d 3h
0
5.00
5.00
5.00