Challenges
Score Title Author Solvers Age Votes Difficulty Education Fun Forums
1 Training: Get Sourced by Gizmore 19825 16y 265d 1849Challenge Votes 0.49 1.75 2.21 Questions
1 Training: Stegano I by Gizmore 13625 16y 164d 903Challenge Votes 1.06 2.57 2.66 Questions
1 Training: Crypto - Caesar I by Gizmore 12900 14y 30d 842Challenge Votes 1.20 2.48 2.73 Questions
1 Training: WWW-Robots by Gizmore 11306 14y 1d 800Challenge Votes 1.19 3.54 3.42 Questions
1 Training: ASCII by Gizmore 13201 13y 279d 842Challenge Votes 0.55 1.82 1.69 Questions
1 Encodings: URL by Gizmore 11865 13y 279d 733Challenge Votes 0.80 2.09 2.45 Questions
1 2021 Christmas Hippety by gizmore 87 3y 21d 16Challenge Votes 3.19 2.31 4.12 Questions
1 Training: No DNS by gizmore 235 2y 248d 28Challenge Votes 2.14 3.93 5.68 Questions
1 CGX#3: Binary Encoding by gizmore and x 682 1y 321d 50Challenge Votes 0.30 2.38 2.30 Questions
1 CGX#10: SQL Injection by gizmore and x 117 1y 190d 12Challenge Votes 3.42 5.08 6.17 Questions
1 CGX#14: Cracking Intro - Amaze Us by DejaVu, gizmore and x 32 363d 6h 15Challenge Votes 4.00 5.67 8.27 Questions
1 Eigentor by gizmore 59 326d 4h 6Challenge Votes 1.67 2.17 2.50 Questions
1 No Action by gizmore 37 130d 2h 9Challenge Votes 1.22 2.11 1.56 Questions
1 CGX#15: Still Binary by gizmore and x 49 73d 23h 7Challenge Votes 1.14 1.43 1.29 Questions
1 CGX#16: Big Endian by gizmore and x 35 73d 23h 5Challenge Votes 1.60 2.40 3.00 Questions
2 Prime Factory by ch0wch0w 7850 16y 265d 578Challenge Votes 1.97 2.80 3.36 Questions
2 Training: Encodings I by Gizmore 5274 16y 192d 339Challenge Votes 3.28 4.32 3.95 Questions
2 Training: Programming 1 by Gizmore 5100 16y 164d 247Challenge Votes 2.89 4.58 4.86 Questions
2 Training: Regex by Gizmore 3175 14y 111d 320Challenge Votes 4.15 6.10 5.08 Questions
2 Training: PHP LFI by Gizmore 4987 14y 81d 329Challenge Votes 2.88 5.17 4.92 Questions
2 PHP 0817 by Gizmore 6200 14y 46d 412Challenge Votes 1.60 3.79 3.49 Questions
2 Training: Crypto - Transposition I by Gizmore 4003 14y 30d 261Challenge Votes 2.40 3.31 4.11 Questions
2 Training: Crypto - Substitution I by Gizmore 3240 14y 30d 194Challenge Votes 3.04 3.64 4.41 Questions
2 Training: Crypto - Caesar II by Gizmore 2659 14y 30d 185Challenge Votes 2.92 3.68 4.66 Questions
2 Training: Crypto - Digraphs by Gizmore 1248 14y 30d 132Challenge Votes 4.26 4.45 5.31 Questions
2 Training: MySQL I by Gizmore 6000 14y 30d 442Challenge Votes 2.12 4.18 4.30 Questions
2 Training: MySQL II by Gizmore 3057 14y 30d 220Challenge Votes 4.85 5.96 6.01 Questions
2 Training: WWW-Basics by Gizmore 1667 14y 28d 154Challenge Votes 2.20 4.22 3.79 Questions
2 Training: Register Globals by Gizmore 3040 14y 20d 201Challenge Votes 2.58 4.59 4.64 Questions
2 Training: Math Pyramid by Gizmore 1892 14y 20d 145Challenge Votes 4.12 4.14 5.32 Questions
2 Training: Baconian by Gizmore 1730 14y 13d 134Challenge Votes 3.12 4.44 4.63 Questions
2 Training: LSB by Gizmore 2086 14y 1d 155Challenge Votes 3.41 5.40 5.32 Questions
2 Training: GPG by Gizmore 1056 13y 354d 101Challenge Votes 2.86 6.21 4.78 Questions
2 Limited Access by wannabe7331 2528 13y 332d 148Challenge Votes 2.66 4.59 4.27 Questions
2 Limited Access Too by wannabe7331 and lordOric 1806 13y 328d 92Challenge Votes 3.02 4.88 4.58 Questions
2 Shadowlamb - Chapter I by Gizmore 380 13y 149d 71Challenge Votes 2.73 2.62 7.13 Questions
2 Identity by gizmore 156 13y 13d 35Challenge Votes 4.83 5.37 7.77 Questions
2 Training: Warchall - The Beginning by WarChallStaff 2133 13y 3d 239Challenge Votes 2.54 4.72 7.15 Questions
2 Repeating History by space and Gizmore 664 12y 289d 63Challenge Votes 3.73 3.65 4.67 Questions
2 PHP My Admin by Gizmore 693 12y 284d 41Challenge Votes 3.54 3.05 3.27 Questions
2 Training: Caterpillar by Gizmore 405 12y 270d 42Challenge Votes 4.71 3.74 3.52 Questions
2 AUTH me by Gizmore 559 11y 160d 48Challenge Votes 3.54 5.33 4.73 Questions
2 Interesting by Gizmore 248 10y 252d 32Challenge Votes 3.28 4.28 6.47 Questions
2 Wanda by Gizmore 74 8y 69d 19Challenge Votes 4.89 4.05 5.63 Questions
2 Railsbin by Gizmore 120 7y 16d 22Challenge Votes 2.68 3.55 4.95 Questions
2 Factor 2 by Gizmore 167 5y 54d 21Challenge Votes 2.57 3.71 6.86 Questions
2 2021 Christmas Tweet by gizmore 14 3y 22d 7Challenge Votes 3.86 4.29 6.14 Questions
2 2021 Christmas Gifts by gizmore 24 3y 18d 9Challenge Votes 2.89 5.33 5.89 Questions
2 2021 Christmas Grampa by gizmore 230 3y 4d 28Challenge Votes 0.79 1.11 1.96 Questions
2 LoFi by gizmore 22 2y 239d 4Challenge Votes 2.75 0.75 2.75 Questions
2 IRC: Duckhunt by gizmore 33 2y 221d 9Challenge Votes 1.78 1.78 8.89 Questions
2 Training: Checksums by gizmore 78 2y 130d 18Challenge Votes 1.94 1.67 3.44 Questions
2 TBS Rehearsal by gizmore and theAnswer 18 326d 4h 3Challenge Votes 2.67 3.00 7.67 Questions
2 PyHash by gizmore 35 225d 1h 11Challenge Votes 2.64 6.27 5.27 Questions
3 Connect the Dots by galen 971 16y 265d 79Challenge Votes 3.37 4.01 5.37 Questions
3 hi by Gizmore 2053 16y 265d 148Challenge Votes 2.39 3.30 3.50 Questions
3 Stegano Woman by Z 488 16y 239d 42Challenge Votes 3.81 4.10 5.21 Questions
3 Flow Over Astronomy by anto 394 16y 164d 44Challenge Votes 4.36 5.32 5.57 Questions
3 Towers of Hanoi by Z 235 16y 164d 31Challenge Votes 4.68 5.39 6.97 Questions
3 Enlightment by anto 1121 16y 47d 134Challenge Votes 5.04 4.74 6.07 Questions
3 Simply Red by anto 343 16y 47d 36Challenge Votes 5.17 5.42 6.53 Questions
3 htmlspecialchars by Gizmore and Kender 1114 15y 279d 92Challenge Votes 3.45 4.88 4.07 Questions
3 Impossible n'est pas français by CommComm 449 15y 271d 46Challenge Votes 2.91 3.76 6.02 Questions
3 PHP 0815 by Gizmore 1113 15y 212d 89Challenge Votes 4.04 5.39 5.16 Questions
3 Guesswork by Gizmore 1644 15y 212d 92Challenge Votes 3.50 2.27 3.64 Questions
3 No Escape by Gizmore 2485 14y 122d 196Challenge Votes 4.04 5.46 5.49 Questions
3 Training: Crypto - Substitution II by Gizmore 529 14y 30d 59Challenge Votes 3.61 3.92 5.44 Questions
3 Training: WWW-Rewrites by Gizmore 439 14y 28d 40Challenge Votes 3.33 5.17 5.42 Questions
3 Stegano Attachment by Gizmore 2002 13y 354d 155Challenge Votes 2.53 4.01 4.55 Questions
3 Zebra by hirsch 1677 13y 337d 146Challenge Votes 2.23 2.94 4.95 Questions
3 Pimitive Encryption by Gizmore 399 13y 241d 63Challenge Votes 3.46 4.83 6.87 Questions
3 Vermeer by XcrAckX 234 13y 156d 45Challenge Votes 3.93 4.09 5.84 Questions
3 Stop us by noother and Gizmore 330 13y 123d 41Challenge Votes 4.63 6.02 6.29 Questions
3 PHP 0818 by noother 1133 13y 108d 76Challenge Votes 3.18 4.80 4.96 Questions
3 Are you serial by Gizmore 619 13y 80d 59Challenge Votes 3.37 5.58 5.61 Questions
3 Shadowlamb - Chapter II by Gizmore 92 13y 13d 24Challenge Votes 4.50 4.12 7.83 Questions
3 SSH... Z is sleeping by Z 176 12y 310d 30Challenge Votes 5.30 8.00 7.63 Questions
3 eXtract Me by oleg 159 12y 264d 38Challenge Votes 5.55 6.18 6.95 Questions
3 PHP 0819 by space 726 12y 253d 68Challenge Votes 4.54 6.09 6.04 Questions
3 Illuminati by Gizmore 91 11y 77d 17Challenge Votes 3.65 5.47 5.76 Questions
3 Britcoin by Gizmore 41 6y 284d 19Challenge Votes 2.89 5.37 6.68 Questions
3 Rubik's Cube by space 28 6y 72d 12Challenge Votes 5.08 4.25 6.42 Questions
3 Contribute by Gizmore 12 3y 272d 2Challenge Votes 2.50 2.50 6.00 Questions
3 2021 Christmas Friday by gizmore 43 3y 20d 10Challenge Votes 2.80 3.40 8.00 Questions
3 Luggage by MagicToast 24 161d 2h 7Challenge Votes 3.00 3.43 8.43 Questions
3 Few Bonaccis by gizmore 13 131d 16m 6Challenge Votes 4.17 6.83 7.50 Questions
4 bill for Bill by Z 503 16y 214d 79Challenge Votes 4.67 6.04 8.59 Questions
4 Trivia by Z and Gizmore 802 16y 176d 96Challenge Votes 5.25 6.32 7.18 Questions
4 PHP 0816 by Gizmore 796 15y 195d 68Challenge Votes 4.06 5.76 5.46 Questions
4 Quangcurrency by quangntenemy and Gizmore 301 15y 121d 43Challenge Votes 3.67 5.86 6.63 Questions
4 Addslashes by Gizmore 880 15y 120d 76Challenge Votes 5.39 7.25 6.61 Questions
4 Yourself PHP by Gizmore and Kender 735 14y 122d 67Challenge Votes 4.61 6.82 5.99 Questions
4 The Guestbook by Gizmore 788 14y 122d 81Challenge Votes 4.95 6.53 7.05 Questions
4 Crappyshare by Gizmore 635 14y 122d 52Challenge Votes 3.73 5.44 6.08 Questions
4 Paranoid by Gizmore 158 14y 122d 35Challenge Votes 3.11 1.80 4.97 Questions
4 MD5.SALT by Gizmore 611 14y 46d 66Challenge Votes 5.08 6.24 6.83 Questions
4 Training: Bacon Returns by Gizmore 226 13y 364d 23Challenge Votes 4.65 3.65 3.78 Questions
4 Tracks by Gizmore 931 13y 129d 69Challenge Votes 2.64 3.16 3.38 Questions
4 Training: RegexMini by ludde 645 13y 95d 53Challenge Votes 4.34 6.15 5.43 Questions
4 Shadowlamb - Chapter III by Gizmore 46 12y 353d 11Challenge Votes 3.82 1.36 8.36 Questions
4 Burning Fox by Gizmore 153 12y 306d 27Challenge Votes 4.81 6.56 8.19 Questions
4 Choose your Path by Mart and gizmore 610 12y 281d 53Challenge Votes 4.32 5.75 6.58 Questions
4 Choose your Path II by Mart and gizmore 375 12y 278d 28Challenge Votes 4.29 5.64 6.82 Questions
4 Chessy Hawks by Jinx 60 12y 267d 10Challenge Votes 5.90 3.50 4.70 Questions
4 Py-Tong by space 501 12y 259d 33Challenge Votes 4.33 6.30 6.67 Questions
4 Warchall: Live LFI by Gizmore 614 12y 207d 43Challenge Votes 3.84 4.79 5.93 Questions
4 Warchall: Live RFI by Gizmore 539 12y 207d 43Challenge Votes 3.60 5.02 6.40 Questions
4 HOST me by space 424 11y 161d 33Challenge Votes 5.55 7.33 6.85 Questions
4 Warchall: Live RCE by phiber and nurfed 280 11y 1d 23Challenge Votes 5.91 7.43 7.35 Questions
4 Training: Net Ports by Gizmore 458 10y 209d 24Challenge Votes 3.12 4.83 4.67 Questions
4 Training: Time is of the Essence by gizmore 39 4y 74d 16Challenge Votes 5.06 6.56 8.44 Questions
4 The Mime Files by Gizmore 54 3y 179d 14Challenge Votes 3.64 4.71 7.79 Questions
4 Fineprint by gizmore 11 2y 130d 5Challenge Votes 4.40 4.40 6.60 Questions
4 Gid Gud by gizmore 14 316d 7h 4Challenge Votes 5.00 3.50 7.75 Questions
4 MD5 Broken by gizmore 15 73d 23h 9Challenge Votes 3.44 2.89 6.78 Questions
5 Can you read me by Gizmore 502 16y 265d 38Challenge Votes 3.82 5.76 5.61 Questions
5 Lettergrid by Gizmore 170 16y 265d 21Challenge Votes 5.10 4.57 5.48 Questions
5 The Nap by Z 56 16y 265d 19Challenge Votes 5.74 8.00 8.00 Questions
5 Sudoku I by Gizmore 162 16y 214d 42Challenge Votes 7.50 7.45 8.10 Questions
5 DropDaBass by anto 34 16y 164d 15Challenge Votes 6.40 5.00 5.60 Questions
5 Sidology by Gizmore 339 16y 164d 64Challenge Votes 4.16 4.39 7.27 Questions
5 Out of the Cloud by anto 44 16y 157d 15Challenge Votes 5.73 4.33 6.33 Questions
5 A Black Hats Tale by Z 230 16y 120d 49Challenge Votes 6.04 7.73 7.96 Questions
5 Fix Us by Z and Gizmore 90 15y 277d 24Challenge Votes 5.75 7.38 6.83 Questions
5 Table Names by Gizmore 801 14y 122d 84Challenge Votes 4.80 6.15 6.45 Questions
5 The Last Hope by bsdhell 122 14y 111d 20Challenge Votes 7.40 7.15 8.25 Questions
5 WC Hashing Game by Gizmore 224 14y 25d 41Challenge Votes 4.20 5.20 5.98 Questions
5 The Travelling Customer by Gizmore 110 13y 337d 27Challenge Votes 5.74 6.78 7.52 Questions
5 Preg Evasion by noother 166 13y 242d 26Challenge Votes 6.96 9.15 8.54 Questions
5 Blinded by the light by Gizmore 400 13y 184d 57Challenge Votes 6.11 7.49 7.70 Questions
5 Smile by livinskull and Gizmore 84 13y 156d 19Challenge Votes 5.84 6.79 7.74 Questions
5 Inka by Gizmore 35 12y 302d 12Challenge Votes 6.00 7.08 7.92 Questions
5 Shadowlamb - Chapter IV by Gizmore 31 12y 131d 10Challenge Votes 4.50 2.80 5.30 Questions
5 Time to Reset by Gizmore 130 12y 89d 27Challenge Votes 5.56 7.22 7.33 Questions
5 Brainfucked by Gizmore 260 11y 77d 39Challenge Votes 4.15 5.38 5.85 Questions
5 QMine by quangntenemy 20 11y 77d 6Challenge Votes 6.50 5.50 6.33 Questions
5 Zen by Gizmore 31 8y 16d 12Challenge Votes 5.00 4.33 6.75 Questions
5 Tribal Revival by gizmore 2 2y 2d 1Challenge Votes 7.00 3.00 6.00 Questions
5 2020 Christmas Special by quangntenemy and Gizmore 14 4y 5d 6Challenge Votes 4.83 6.17 9.33 Questions
5 Valentine's Gold by gizmore and tehron 16 313d 23h 8Challenge Votes 4.88 5.62 8.38 Questions
6 Morsed by Gizmore 74 16y 265d 16Challenge Votes 6.31 6.88 6.94 Questions
6 Count, don't wonder by galen 34 16y 265d 9Challenge Votes 5.89 5.44 7.33 Questions
6 Letterworm by Gizmore 102 16y 265d 20Challenge Votes 5.00 5.35 7.05 Questions
6 Anderson Application Auditing by Z 216 16y 239d 46Challenge Votes 6.30 8.70 9.13 Questions
6 The Cookie is a lie by Z 70 16y 99d 22Challenge Votes 3.73 5.32 7.00 Questions
6 Malware by Z 206 15y 342d 30Challenge Votes 4.17 5.60 6.77 Questions
6 Z - Reloaded by Z and Gizmore 138 15y 116d 34Challenge Votes 5.85 7.65 8.18 Questions
6 Credit Card Challenge Pwned! by Z 60 15y 116d 23Challenge Votes 5.65 7.17 8.65 Questions
6 GizCrypt by Gizmore 164 14y 111d 35Challenge Votes 4.97 5.83 7.54 Questions
6 B.AiM by BAIM and Gizmore 20 13y 337d 7Challenge Votes 5.86 7.00 7.43 Questions
6 Fremes by Gizmore 26 13y 156d 14Challenge Votes 5.71 5.43 8.43 Questions
6 Babbage and Coldplay by ludde 46 13y 92d 13Challenge Votes 6.08 6.38 7.38 Questions
6 Blinded by the lighter by kwisatz 206 13y 39d 35Challenge Votes 7.49 8.46 8.63 Questions
6 Warchall: Tryouts by matrixman 145 12y 233d 18Challenge Votes 8.00 9.00 9.00 Questions
6 Are you blind? by Mawekl 129 12y 138d 21Challenge Votes 6.71 7.90 8.57 Questions
6 Light in the Darkness by Mawekl 149 12y 138d 20Challenge Votes 7.35 8.85 7.55 Questions
6 Three Times Sad by dloser 10 10y 356d 5Challenge Votes 8.20 8.20 8.40 Questions
6 Table Names II by nurfed 350 10y 318d 34Challenge Votes 5.71 8.15 7.68 Questions
6 Experience by Gizmore 20 10y 224d 9Challenge Votes 6.44 5.67 6.56 Questions
6 Nippon by Gizmore and lazer 10 8y 177d 7Challenge Votes 8.29 5.00 6.71 Questions
6 Temper by jusb3 7 3y 248d 5Challenge Votes 7.20 9.00 10.00 Questions
7 Save the World by Z 228 16y 265d 39Challenge Votes 6.56 8.03 7.90 Questions
7 Screwed Signup by Gizmore 300 15y 277d 42Challenge Votes 5.69 7.43 7.38 Questions
7 Order By Query by Gizmore 515 15y 116d 71Challenge Votes 6.46 7.56 7.34 Questions
7 Snake by Gizmore and lazer 46 14y 122d 14Challenge Votes 5.64 6.14 8.71 Questions
7 Speed Your Way To VICtory by Jander 21 13y 228d 10Challenge Votes 8.70 8.70 8.70 Questions
7 Training: Warchall - 7 Tropical Fruits by tropic 171 13y 3d 21Challenge Votes 6.52 8.10 8.19 Questions
7 What is your Name? by Mawekl 42 12y 138d 11Challenge Votes 7.18 8.09 7.55 Questions
7 Time to Reset II by Gizmore and noother 25 12y 85d 11Challenge Votes 8.45 9.82 9.82 Questions
7 Stalking by Gizmore 15 11y 160d 6Challenge Votes 6.67 5.17 10.00 Questions
7 Warchall: Nurxxed by nurfed 21 10y 343d 7Challenge Votes 8.71 10.00 9.00 Questions
7 Disclosures by gizmore and dloser 21 10y 182d 9Challenge Votes 7.11 6.89 7.78 Questions
7 Old Years Eve 2020 by Gizmore 13 3y 362d 4Challenge Votes 6.50 5.25 5.75 Questions
7 Memorized by Gizmore 9 3y 346d 4Challenge Votes 5.00 7.25 8.00 Questions
8 Agent Larry by Z 48 16y 265d 13Challenge Votes 6.77 8.08 8.54 Questions
8 Crackcha by Gizmore 41 14y 1d 18Challenge Votes 8.22 9.44 9.39 Questions
8 2013 New Years Special by quangntenemy 17 10y 197d 7Challenge Votes 8.00 8.29 7.86 Questions
9 The BrownOS by dloser 4 10y 217d 3Challenge Votes 10.00 6.67 10.00 Questions