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Scored Challenges
All
Browse Folder
Challenges
Score
Title
Author
Solvers
Age
Votes
Difficulty
Education
Fun
Forums
1
CGX#3: Binary Encoding
by
gizmore
and
x
724
2y 35d
54
0.28
2.26
2.33
1
Training: Get Sourced
by
Gizmore
19926
16y 344d
1857
0.49
1.75
2.21
1
Training: ASCII
by
Gizmore
13259
13y 358d
847
0.54
1.81
1.68
2
2021 Christmas Grampa
by
gizmore
240
3y 83d
28
0.79
1.11
1.96
1
Encodings: URL
by
Gizmore
11911
13y 358d
739
0.79
2.08
2.44
1
Training: Stegano I
by
Gizmore
13676
16y 243d
908
1.06
2.56
2.66
1
Training: WWW-Robots
by
Gizmore
11350
14y 80d
804
1.19
3.53
3.41
1
Training: Crypto - Caesar I
by
Gizmore
12951
14y 109d
847
1.19
2.47
2.73
1
No Action
by
gizmore
50
209d 12m
10
1.20
2.10
1.60
1
CGX#15: Still Binary
by
gizmore
and
x
72
152d 21h
10
1.30
1.40
1.10
1
Eigentor
by
gizmore
71
1y 40d
7
1.43
1.86
2.29
1
CGX#16: Big Endian
by
gizmore
and
x
50
152d 21h
5
1.60
2.40
3.00
2
PHP 0817
by
Gizmore
6213
14y 125d
413
1.60
3.78
3.48
2
IRC: Duckhunt
by
gizmore
36
2y 300d
9
1.78
1.78
8.89
2
Training: Checksums
by
gizmore
86
2y 209d
18
1.94
1.67
3.44
2
Prime Factory
by
ch0wch0w
7863
16y 344d
579
1.97
2.79
3.35
2
Training: MySQL I
by
Gizmore
6014
14y 109d
443
2.12
4.17
4.29
1
Training: No DNS
by
gizmore
244
2y 327d
31
2.13
3.97
5.52
2
Training: WWW-Basics
by
Gizmore
1670
14y 107d
154
2.20
4.22
3.79
3
Zebra
by
hirsch
1682
14y 51d
146
2.23
2.94
4.95
2
Training: Crypto - Transposition I
by
Gizmore
4014
14y 109d
263
2.39
3.32
4.12
3
hi
by
Gizmore
2057
16y 344d
148
2.39
3.30
3.50
3
Contribute
by
Gizmore
12
3y 351d
2
2.50
2.50
6.00
3
Stegano Attachment
by
Gizmore
2010
14y 68d
155
2.53
4.01
4.55
2
Training: Warchall - The Beginning
by
WarChallStaff
2141
13y 82d
239
2.54
4.72
7.15
2
Factor 2
by
Gizmore
172
5y 133d
21
2.57
3.71
6.86
2
Training: Register Globals
by
Gizmore
3047
14y 99d
201
2.58
4.59
4.64
4
Tracks
by
Gizmore
935
13y 208d
69
2.64
3.16
3.38
2
Limited Access
by
wannabe7331
2536
14y 45d
148
2.66
4.59
4.27
2
TBS Rehearsal
by
gizmore
and
theAnswer
21
1y 40d
3
2.67
3.00
7.67
2
PyHash
by
gizmore
46
303d 23h
12
2.67
6.33
5.25
2
Railsbin
by
Gizmore
124
7y 95d
22
2.68
3.55
4.95
2
Shadowlamb - Chapter I
by
Gizmore
381
13y 228d
71
2.73
2.62
7.13
2
LoFi
by
gizmore
25
2y 318d
4
2.75
0.75
2.75
3
2021 Christmas Friday
by
gizmore
46
3y 99d
10
2.80
3.40
8.00
2
Training: GPG
by
Gizmore
1059
14y 68d
102
2.87
6.24
4.79
2
Training: PHP LFI
by
Gizmore
4999
14y 160d
330
2.87
5.16
4.91
2
Training: Programming 1
by
Gizmore
5111
16y 243d
247
2.89
4.58
4.86
2
2021 Christmas Gifts
by
gizmore
25
3y 97d
9
2.89
5.33
5.89
3
Britcoin
by
Gizmore
42
6y 363d
19
2.89
5.37
6.68
3
Impossible n'est pas français
by
CommComm
451
15y 350d
47
2.91
3.77
6.00
2
Training: Crypto - Caesar II
by
Gizmore
2668
14y 109d
185
2.92
3.68
4.66
3
Luggage
by
MagicToast
31
240d 17m
7
3.00
3.43
8.43
2
Limited Access Too
by
wannabe7331
and
lordOric
1812
14y 42d
92
3.02
4.88
4.58
2
Training: Crypto - Substitution I
by
Gizmore
3250
14y 109d
195
3.04
3.65
4.43
1
2021 Christmas Hippety
by
gizmore
95
3y 100d
18
3.06
2.44
4.22
2
Training: Baconian
by
Gizmore
1736
14y 92d
134
3.12
4.44
4.63
4
Training: Net Ports
by
Gizmore
462
10y 288d
24
3.12
4.83
4.67
1
CGX#10: SQL Injection
by
gizmore
and
x
130
1y 269d
16
3.12
5.06
6.12
4
Paranoid
by
Gizmore
160
14y 201d
36
3.17
1.75
5.00
3
PHP 0818
by
noother
1138
13y 187d
76
3.18
4.80
4.96
2
Training: Encodings I
by
Gizmore
5282
16y 271d
340
3.28
4.31
3.96
2
Interesting
by
Gizmore
250
10y 331d
32
3.28
4.28
6.47
3
Training: WWW-Rewrites
by
Gizmore
443
14y 107d
40
3.33
5.17
5.42
3
Connect the Dots
by
galen
974
16y 344d
79
3.37
4.01
5.37
3
Are you serial
by
Gizmore
622
13y 159d
59
3.37
5.58
5.61
2
Training: LSB
by
Gizmore
2091
14y 80d
155
3.41
5.40
5.32
4
MD5 Broken
by
gizmore
20
152d 21h
9
3.44
2.89
6.78
3
htmlspecialchars
by
Gizmore
and
Kender
1120
15y 358d
92
3.45
4.88
4.07
3
Pimitive Encryption
by
Gizmore
400
13y 320d
64
3.47
4.83
6.92
3
Guesswork
by
Gizmore
1648
15y 291d
92
3.50
2.27
3.64
2
PHP My Admin
by
Gizmore
700
12y 363d
41
3.54
3.05
3.27
2
AUTH me
by
Gizmore
560
11y 239d
48
3.54
5.33
4.73
4
Warchall: Live RFI
by
Gizmore
544
12y 286d
43
3.60
5.02
6.40
3
Training: Crypto - Substitution II
by
Gizmore
532
14y 109d
59
3.61
3.92
5.44
4
The Mime Files
by
Gizmore
55
3y 258d
14
3.64
4.71
7.79
3
Illuminati
by
Gizmore
96
11y 156d
17
3.65
5.47
5.76
4
Quangcurrency
by
quangntenemy
and
Gizmore
306
15y 200d
44
3.66
5.86
6.64
6
The Cookie is a lie
by
Z
70
16y 178d
22
3.73
5.32
7.00
2
Repeating History
by
space
and
Gizmore
668
13y 3d
63
3.73
3.65
4.67
4
Crappyshare
by
Gizmore
640
14y 201d
52
3.73
5.44
6.08
3
ChATTACA
by
gizmore
8
74d 18h
8
3.75
5.75
8.25
3
Stegano Woman
by
Z
491
16y 318d
42
3.81
4.10
5.21
5
Can you read me
by
Gizmore
504
16y 344d
38
3.82
5.76
5.61
4
Shadowlamb - Chapter III
by
Gizmore
46
13y 67d
11
3.82
1.36
8.36
4
Warchall: Live LFI
by
Gizmore
618
12y 286d
43
3.84
4.79
5.93
2
2021 Christmas Tweet
by
gizmore
14
3y 101d
7
3.86
4.29
6.14
3
Vermeer
by
XcrAckX
239
13y 234d
45
3.93
4.09
5.84
1
CGX#14: Cracking Intro - Amaze Us
by
DejaVu
,
gizmore
and
x
34
1y 77d
15
4.00
5.67
8.27
3
No Escape
by
Gizmore
2493
14y 201d
196
4.04
5.46
5.49
3
PHP 0815
by
Gizmore
1118
15y 291d
89
4.04
5.39
5.16
4
PHP 0816
by
Gizmore
802
15y 274d
68
4.06
5.76
5.46
2
Training: Math Pyramid
by
Gizmore
1898
14y 99d
145
4.12
4.14
5.32
3
Few Bonaccis
by
gizmore
19
209d 22h
7
4.14
6.86
7.57
2
Training: Regex
by
Gizmore
3184
14y 190d
321
4.14
6.09
5.08
5
Brainfucked
by
Gizmore
263
11y 156d
39
4.15
5.38
5.85
5
Sidology
by
Gizmore
341
16y 243d
64
4.16
4.39
7.27
6
Malware
by
Z
208
16y 56d
30
4.17
5.60
6.77
5
WC Hashing Game
by
Gizmore
226
14y 104d
41
4.20
5.20
5.98
2
Training: Crypto - Digraphs
by
Gizmore
1253
14y 109d
132
4.26
4.45
5.31
4
Choose your Path II
by
Mart
and
gizmore
378
12y 357d
28
4.29
5.64
6.82
4
Choose your Path
by
Mart
and
gizmore
616
12y 360d
53
4.32
5.75
6.58
4
Py-Tong
by
space
507
12y 338d
33
4.33
6.30
6.67
4
Training: RegexMini
by
ludde
653
13y 174d
53
4.34
6.15
5.43
3
Flow Over Astronomy
by
anto
397
16y 243d
44
4.36
5.32
5.57
4
Fineprint
by
gizmore
16
2y 209d
5
4.40
4.40
6.60
3
Shadowlamb - Chapter II
by
Gizmore
92
13y 92d
24
4.50
4.12
7.83
5
Shadowlamb - Chapter IV
by
Gizmore
31
12y 210d
10
4.50
2.80
5.30
3
PHP 0819
by
space
729
12y 331d
68
4.54
6.09
6.04
4
Yourself PHP
by
Gizmore
and
Kender
741
14y 201d
67
4.61
6.82
5.99
3
Stop us
by
noother
and
Gizmore
335
13y 202d
41
4.63
6.02
6.29
4
Training: Bacon Returns
by
Gizmore
232
14y 78d
23
4.65
3.65
3.78
4
bill for Bill
by
Z
505
16y 293d
79
4.67
6.04
8.59
3
Towers of Hanoi
by
Z
237
16y 243d
31
4.68
5.39
6.97
2
Training: Caterpillar
by
Gizmore
407
12y 349d
42
4.71
3.74
3.52
5
Table Names
by
Gizmore
804
14y 201d
84
4.80
6.15
6.45
4
Burning Fox
by
Gizmore
154
13y 20d
27
4.81
6.56
8.19
2
Identity
by
gizmore
163
13y 92d
35
4.83
5.37
7.77
5
2020 Christmas Special
by
quangntenemy
and
Gizmore
14
4y 84d
6
4.83
6.17
9.33
2
Training: MySQL II
by
Gizmore
3063
14y 109d
220
4.85
5.96
6.01
5
Valentine's Gold
by
gizmore
and
tehron
19
1y 27d
8
4.88
5.62
8.38
2
Wanda (currently broken)
by
gizmore
74
8y 148d
19
4.89
4.05
5.63
4
The Guestbook
by
Gizmore
793
14y 201d
81
4.95
6.53
7.05
6
GizCrypt
by
Gizmore
165
14y 190d
35
4.97
5.83
7.54
6
Letterworm
by
Gizmore
103
16y 344d
20
5.00
5.35
7.05
5
Zen
by
Gizmore
31
8y 95d
12
5.00
4.33
6.75
7
Memorized
by
Gizmore
9
4y 59d
4
5.00
7.25
8.00
4
Gid Gud
by
gizmore
15
1y 30d
4
5.00
3.50
7.75
3
Enlightment
by
anto
1124
16y 126d
134
5.04
4.74
6.07
4
Training: Time is of the Essence
by
gizmore
40
4y 153d
16
5.06
6.56
8.44
4
MD5.SALT
by
Gizmore
613
14y 125d
66
5.08
6.24
6.83
3
Rubik's Cube
by
space
30
6y 150d
12
5.08
4.25
6.42
5
Lettergrid
by
Gizmore
172
16y 344d
21
5.10
4.57
5.48
3
Simply Red
by
anto
344
16y 126d
36
5.17
5.42
6.53
4
Trivia
by
Z
and
Gizmore
805
16y 255d
96
5.25
6.32
7.18
3
SSH... Z is sleeping
by
Z
179
13y 24d
30
5.30
8.00
7.63
4
Addslashes
by
Gizmore
888
15y 199d
76
5.39
7.25
6.61
4
HOST me
by
space
428
11y 240d
33
5.55
7.33
6.85
3
eXtract Me
by
oleg
161
12y 343d
38
5.55
6.18
6.95
5
Time to Reset
by
Gizmore
131
12y 168d
27
5.56
7.22
7.33
7
Snake
by
Gizmore
and
lazer
46
14y 201d
14
5.64
6.14
8.71
6
Credit Card Challenge Pwned!
by
Z
60
15y 195d
23
5.65
7.17
8.65
7
Screwed Signup
by
Gizmore
302
15y 356d
42
5.69
7.43
7.38
6
Table Names II
by
nurfed
354
11y 32d
34
5.71
8.15
7.68
6
Fremes
by
Gizmore
26
13y 234d
14
5.71
5.43
8.43
5
Out of the Cloud
by
anto
44
16y 236d
15
5.73
4.33
6.33
5
The Nap
by
Z
56
16y 344d
19
5.74
8.00
8.00
5
The Travelling Customer
by
Gizmore
111
14y 51d
27
5.74
6.78
7.52
5
Fix Us
by
Z
and
Gizmore
90
15y 356d
24
5.75
7.38
6.83
6
Count, don't wonder
by
galen
35
16y 344d
10
5.80
5.30
7.40
5
Smile
by
livinskull
and
Gizmore
84
13y 234d
19
5.84
6.79
7.74
6
Z - Reloaded
by
Z
and
Gizmore
138
15y 195d
34
5.85
7.65
8.18
6
B.AiM
by
BAIM
and
Gizmore
20
14y 51d
7
5.86
7.00
7.43
4
Chessy Hawks
by
Jinx
61
12y 346d
10
5.90
3.50
4.70
4
Warchall: Live RCE
by
phiber
and
nurfed
283
11y 80d
23
5.91
7.43
7.35
5
Inka
by
Gizmore
35
13y 16d
12
6.00
7.08
7.92
5
A Black Hats Tale
by
Z
232
16y 199d
49
6.04
7.73
7.96
6
Babbage and Coldplay
by
ludde
47
13y 171d
13
6.08
6.38
7.38
5
Blinded by the light
by
Gizmore
403
13y 263d
57
6.11
7.49
7.70
6
Anderson Application Auditing
by
Z
218
16y 318d
46
6.30
8.70
9.13
6
Morsed
by
Gizmore
75
16y 344d
16
6.31
6.88
6.94
5
DropDaBass
by
anto
35
16y 243d
15
6.40
5.00
5.60
6
Experience
by
Gizmore
20
10y 303d
9
6.44
5.67
6.56
7
Order By Query
by
Gizmore
517
15y 195d
71
6.46
7.56
7.34
5
QMine
by
quangntenemy
20
11y 156d
6
6.50
5.50
6.33
7
Old Years Eve 2020
by
Gizmore
13
4y 76d
4
6.50
5.25
5.75
7
Training: Warchall - 7 Tropical Fruits
by
tropic
171
13y 82d
21
6.52
8.10
8.19
7
Save the World
by
Z
231
16y 344d
39
6.56
8.03
7.90
7
Stalking
by
Gizmore
15
11y 239d
6
6.67
5.17
10.00
6
Are you blind?
by
Mawekl
131
12y 217d
21
6.71
7.90
8.57
8
Agent Larry
by
Z
48
16y 344d
13
6.77
8.08
8.54
5
Preg Evasion
by
noother
166
13y 321d
26
6.96
9.15
8.54
5
Tribal Revival
by
gizmore
2
2y 81d
1
7.00
3.00
6.00
7
Disclosures
by
gizmore
and
dloser
21
10y 260d
9
7.11
6.89
7.78
7
What is your Name?
by
Mawekl
42
12y 217d
11
7.18
8.09
7.55
6
Temper
by
jusb3
7
3y 327d
5
7.20
9.00
10.00
6
Light in the Darkness
by
Mawekl
151
12y 217d
21
7.38
8.90
7.57
5
The Last Hope
by
bsdhell
123
14y 190d
20
7.40
7.15
8.25
6
Blinded by the lighter
by
kwisatz
209
13y 118d
35
7.49
8.46
8.63
5
Sudoku I
by
Gizmore
164
16y 293d
43
7.56
7.51
8.14
6
Warchall: Tryouts
by
matrixman
145
12y 312d
18
8.00
9.00
9.00
8
2013 New Years Special
by
quangntenemy
17
10y 276d
7
8.00
8.29
7.86
6
Three Times Sad
by
dloser
10
11y 70d
5
8.20
8.20
8.40
8
Crackcha
by
Gizmore
42
14y 80d
18
8.22
9.44
9.39
6
Nippon
by
Gizmore
and
lazer
10
8y 256d
7
8.29
5.00
6.71
7
Time to Reset II
by
Gizmore
and
noother
25
12y 164d
11
8.45
9.82
9.82
7
Speed Your Way To VICtory
by
Jander
21
13y 307d
10
8.70
8.70
8.70
7
Warchall: Nurxxed
by
nurfed
22
11y 57d
7
8.71
10.00
9.00
9
The BrownOS
by
dloser
4
10y 296d
3
10.00
6.67
10.00