Challenges
Score Title Author Solvers Age Votes Difficulty Education Fun Forums
8 2013 New Years Special by quangntenemy 16 9y 263d 7Challenge Votes 8.00 8.29 7.86 Questions
5 2020 Christmas Special by quangntenemy and Gizmore 13 3y 72d 6Challenge Votes 4.83 6.17 9.33 Questions
3 2021 Christmas Friday by gizmore 38 2y 87d 10Challenge Votes 2.80 3.40 8.00 Questions
2 2021 Christmas Gifts by gizmore 20 2y 85d 6Challenge Votes 3.00 5.33 6.17 Questions
2 2021 Christmas Grampa by gizmore 185 2y 71d 23Challenge Votes 0.70 1.13 2.13 Questions
1 2021 Christmas Hippety by gizmore 59 2y 88d 10Challenge Votes 3.00 1.90 4.60 Questions
2 2021 Christmas Tweet by gizmore 12 2y 89d 7Challenge Votes 3.86 4.29 6.14 Questions
5 A Black Hats Tale by Z 228 15y 186d 48Challenge Votes 6.00 7.71 7.96 Questions
4 Addslashes by Gizmore 869 14y 187d 74Challenge Votes 5.42 7.24 6.62 Questions
8 Agent Larry by Z 47 15y 332d 13Challenge Votes 6.77 8.08 8.54 Questions
6 Anderson Application Auditing by Z 214 15y 306d 45Challenge Votes 6.33 8.76 9.18 Questions
6 Are you blind? by Mawekl 124 11y 205d 20Challenge Votes 6.70 7.85 8.65 Questions
3 Are you serial by Gizmore 615 12y 147d 58Challenge Votes 3.34 5.59 5.62 Questions
2 AUTH me by Gizmore 551 10y 227d 46Challenge Votes 3.54 5.35 4.76 Questions
6 B.AiM by BAIM and Gizmore 20 13y 38d 7Challenge Votes 5.86 7.00 7.43 Questions
6 Babbage and Coldplay by ludde 45 12y 159d 13Challenge Votes 6.08 6.38 7.38 Questions
4 bill for Bill by Z 502 15y 281d 79Challenge Votes 4.67 6.04 8.59 Questions
5 Blinded by the light by Gizmore 391 12y 251d 57Challenge Votes 6.11 7.49 7.70 Questions
6 Blinded by the lighter by kwisatz 199 12y 106d 34Challenge Votes 7.50 8.47 8.65 Questions
5 Brainfucked by Gizmore 250 10y 143d 38Challenge Votes 4.21 5.39 5.89 Questions
3 Britcoin by Gizmore 37 5y 351d 17Challenge Votes 2.76 5.12 6.59 Questions
4 Burning Fox by Gizmore 151 12y 8d 26Challenge Votes 4.88 6.62 8.19 Questions
5 Can you read me by Gizmore 493 15y 332d 36Challenge Votes 3.86 5.81 5.69 Questions
1 CGX#10: SQL Injection by gizmore and x 67 256d 23h 7Challenge Votes 3.71 6.57 6.57 Questions
1 CGX#14: Cracking Intro - Amaze Us by DejaVu, gizmore and x 13 64d 22h 5Challenge Votes 4.00 5.00 8.80 Questions
1 CGX#3: Binary Encoding by gizmore and x 456 1y 23d 31Challenge Votes 0.32 2.45 2.29 Questions
4 Chessy Hawks by Jinx 59 11y 333d 10Challenge Votes 5.90 3.50 4.70 Questions
4 Choose your Path by Mart and gizmore 599 11y 347d 52Challenge Votes 4.29 5.75 6.62 Questions
4 Choose your Path II by Mart and gizmore 369 11y 345d 28Challenge Votes 4.29 5.64 6.82 Questions
3 Connect the Dots by galen 965 15y 332d 77Challenge Votes 3.34 3.99 5.38 Questions
3 Contribute by Gizmore 11 2y 339d 2Challenge Votes 2.50 2.50 6.00 Questions
6 Count, don't wonder by galen 34 15y 332d 9Challenge Votes 5.89 5.44 7.33 Questions
8 Crackcha by Gizmore 40 13y 68d 17Challenge Votes 8.18 9.59 9.35 Questions
4 Crappyshare by Gizmore 623 13y 189d 51Challenge Votes 3.75 5.49 6.10 Questions
6 Credit Card Challenge Pwned! by Z 60 14y 183d 23Challenge Votes 5.65 7.17 8.65 Questions
7 Disclosures by gizmore and dloser 19 9y 248d 8Challenge Votes 7.00 6.75 7.62 Questions
5 DropDaBass by anto 33 15y 231d 14Challenge Votes 6.50 5.00 5.50 Questions
1 Eigentor by gizmore 10 27d 19h 2Challenge Votes 1.50 2.50 3.00 Questions
1 Encodings: URL by Gizmore 11592 12y 346d 711Challenge Votes 0.80 2.06 2.42 Questions
3 Enlightment by anto 1118 15y 114d 133Challenge Votes 5.05 4.74 6.10 Questions
6 Experience by Gizmore 20 9y 291d 9Challenge Votes 6.44 5.67 6.56 Questions
3 eXtract Me by oleg 153 11y 331d 36Challenge Votes 5.53 6.25 6.89 Questions
2 Factor 2 by Gizmore 157 4y 121d 20Challenge Votes 2.55 3.70 6.85 Questions
4 Fineprint by gizmore 6 1y 197d 5Challenge Votes 4.40 4.40 6.60 Questions
5 Fix Us by Z and Gizmore 89 14y 344d 24Challenge Votes 5.75 7.38 6.83 Questions
3 Flow Over Astronomy by anto 385 15y 231d 42Challenge Votes 4.38 5.38 5.52 Questions
6 Fremes by Gizmore 25 12y 222d 13Challenge Votes 5.69 5.31 8.46 Questions
4 Gid Gud by gizmore 4 17d 23h 2Challenge Votes 5.00 3.00 6.50 Questions
6 GizCrypt by Gizmore 161 13y 177d 34Challenge Votes 4.97 5.85 7.59 Questions
3 Guesswork by Gizmore 1633 14y 279d 91Challenge Votes 3.51 2.29 3.63 Questions
3 hi by Gizmore 2026 15y 332d 146Challenge Votes 2.40 3.30 3.50 Questions
4 HOST me by space 419 10y 227d 33Challenge Votes 5.55 7.33 6.85 Questions
3 htmlspecialchars by Gizmore and Kender 1107 14y 346d 92Challenge Votes 3.45 4.88 4.07 Questions
2 Identity by gizmore 134 12y 80d 31Challenge Votes 5.10 5.71 8.26 Questions
3 Illuminati by Gizmore 86 10y 143d 17Challenge Votes 3.65 5.47 5.76 Questions
3 Impossible n'est pas français by CommComm 444 14y 337d 45Challenge Votes 2.89 3.73 6.04 Questions
5 Inka by Gizmore 34 12y 4d 12Challenge Votes 6.00 7.08 7.92 Questions
2 Interesting by Gizmore 236 9y 319d 30Challenge Votes 3.30 4.30 6.43 Questions
2 IRC: Duckhunt by gizmore 27 1y 287d 8Challenge Votes 1.88 1.88 8.75 Questions
5 Lettergrid by Gizmore 165 15y 332d 20Challenge Votes 5.10 4.70 5.40 Questions
6 Letterworm by Gizmore 101 15y 331d 19Challenge Votes 5.00 5.47 7.05 Questions
6 Light in the Darkness by Mawekl 145 11y 205d 20Challenge Votes 7.35 8.85 7.55 Questions
2 Limited Access by wannabe7331 2502 13y 33d 145Challenge Votes 2.66 4.60 4.29 Questions
2 Limited Access Too by wannabe7331 and lordOric 1789 13y 30d 91Challenge Votes 3.01 4.88 4.58 Questions
2 LoFi by gizmore 18 1y 306d 3Challenge Votes 2.67 0.67 2.33 Questions
6 Malware by Z 204 15y 44d 30Challenge Votes 4.17 5.60 6.77 Questions
4 MD5.SALT by Gizmore 607 13y 113d 65Challenge Votes 5.11 6.25 6.82 Questions
7 Memorized by Gizmore 9 3y 47d 4Challenge Votes 5.00 7.25 8.00 Questions
6 Morsed by Gizmore 72 15y 332d 16Challenge Votes 6.31 6.88 6.94 Questions
6 Nippon by Gizmore and lazer 10 7y 244d 7Challenge Votes 8.29 5.00 6.71 Questions
3 No Escape by Gizmore 2463 13y 189d 195Challenge Votes 4.04 5.46 5.49 Questions
7 Old Years Eve 2020 by Gizmore 12 3y 64d 4Challenge Votes 6.50 5.25 5.75 Questions
7 Order By Query by Gizmore 511 14y 183d 71Challenge Votes 6.46 7.56 7.34 Questions
5 Out of the Cloud by anto 42 15y 223d 15Challenge Votes 5.73 4.33 6.33 Questions
4 Paranoid by Gizmore 158 13y 189d 35Challenge Votes 3.11 1.80 4.97 Questions
3 PHP 0815 by Gizmore 1099 14y 279d 88Challenge Votes 4.07 5.40 5.19 Questions
4 PHP 0816 by Gizmore 780 14y 262d 65Challenge Votes 4.03 5.80 5.48 Questions
2 PHP 0817 by Gizmore 6121 13y 113d 408Challenge Votes 1.61 3.79 3.49 Questions
3 PHP 0818 by noother 1119 12y 175d 76Challenge Votes 3.18 4.80 4.96 Questions
3 PHP 0819 by space 722 11y 319d 68Challenge Votes 4.54 6.09 6.04 Questions
2 PHP My Admin by Gizmore 683 11y 350d 40Challenge Votes 3.50 3.00 3.17 Questions
3 Pimitive Encryption by Gizmore 393 12y 308d 61Challenge Votes 3.43 4.80 6.85 Questions
5 Preg Evasion by noother 158 12y 309d 26Challenge Votes 6.96 9.15 8.54 Questions
2 Prime Factory by ch0wch0w 7751 15y 332d 569Challenge Votes 1.98 2.80 3.36 Questions
4 Py-Tong by space 491 11y 325d 32Challenge Votes 4.31 6.31 6.69 Questions
5 QMine by quangntenemy 19 10y 143d 6Challenge Votes 6.50 5.50 6.33 Questions
4 Quangcurrency by quangntenemy and Gizmore 291 14y 188d 40Challenge Votes 3.67 5.90 6.62 Questions
2 Railsbin by Gizmore 115 6y 83d 22Challenge Votes 2.68 3.55 4.95 Questions
2 Repeating History by space and Gizmore 655 11y 355d 61Challenge Votes 3.75 3.67 4.67 Questions
3 Rubik's Cube by space 25 5y 138d 11Challenge Votes 5.09 4.09 6.36 Questions
7 Save the World by Z 225 15y 332d 38Challenge Votes 6.55 8.00 7.87 Questions
7 Screwed Signup by Gizmore 292 14y 344d 40Challenge Votes 5.75 7.42 7.40 Questions
2 Shadowlamb - Chapter I by Gizmore 372 12y 216d 69Challenge Votes 2.75 2.57 7.04 Questions
3 Shadowlamb - Chapter II by Gizmore 91 12y 80d 23Challenge Votes 4.39 4.04 7.74 Questions
4 Shadowlamb - Chapter III by Gizmore 46 12y 55d 11Challenge Votes 3.82 1.36 8.36 Questions
5 Shadowlamb - Chapter IV by Gizmore 31 11y 198d 10Challenge Votes 4.50 2.80 5.30 Questions
5 Sidology by Gizmore 335 15y 231d 63Challenge Votes 4.17 4.46 7.29 Questions
3 Simply Red by anto 339 15y 114d 35Challenge Votes 5.20 5.49 6.49 Questions
5 Smile by livinskull and Gizmore 82 12y 222d 19Challenge Votes 5.84 6.79 7.74 Questions
7 Snake by Gizmore and lazer 46 13y 189d 14Challenge Votes 5.64 6.14 8.71 Questions
7 Speed Your Way To VICtory by Jander 21 12y 294d 10Challenge Votes 8.70 8.70 8.70 Questions
3 SSH... Z is sleeping by Z 167 12y 12d 28Challenge Votes 5.29 7.93 7.61 Questions
7 Stalking by Gizmore 13 10y 227d 5Challenge Votes 6.60 5.20 10.00 Questions
3 Stegano Attachment by Gizmore 1961 13y 55d 154Challenge Votes 2.53 4.00 4.54 Questions
3 Stegano Woman by Z 482 15y 306d 42Challenge Votes 3.81 4.10 5.21 Questions
3 Stop us by noother and Gizmore 326 12y 190d 40Challenge Votes 4.67 6.03 6.28 Questions
5 Sudoku I by Gizmore 161 15y 281d 41Challenge Votes 7.49 7.44 8.05 Questions
5 Table Names by Gizmore 787 13y 189d 83Challenge Votes 4.81 6.17 6.47 Questions
6 Table Names II by nurfed 345 10y 20d 33Challenge Votes 5.70 8.15 7.73 Questions
2 TBS Rehearsal by gizmore and theAnswer 7 27d 19h 2Challenge Votes 3.00 3.50 8.00 Questions
6 Temper by jusb3 5 2y 314d 4Challenge Votes 7.00 8.75 10.00 Questions
9 The BrownOS by dloser 4 9y 284d 3Challenge Votes 10.00 6.67 10.00 Questions
6 The Cookie is a lie by Z 68 15y 165d 21Challenge Votes 3.76 5.38 6.90 Questions
4 The Guestbook by Gizmore 780 13y 189d 80Challenge Votes 4.96 6.54 7.04 Questions
5 The Last Hope by bsdhell 120 13y 177d 20Challenge Votes 7.40 7.15 8.25 Questions
4 The Mime Files by Gizmore 49 2y 246d 13Challenge Votes 3.46 4.54 7.92 Questions
5 The Nap by Z 56 15y 332d 19Challenge Votes 5.74 8.00 8.00 Questions
5 The Travelling Customer by Gizmore 104 13y 38d 26Challenge Votes 5.81 6.92 7.65 Questions
6 Three Times Sad by dloser 10 10y 58d 5Challenge Votes 8.20 8.20 8.40 Questions
5 Time to Reset by Gizmore 124 11y 156d 26Challenge Votes 5.54 7.19 7.38 Questions
7 Time to Reset II by Gizmore and noother 24 11y 152d 11Challenge Votes 8.45 9.82 9.82 Questions
3 Towers of Hanoi by Z 229 15y 231d 30Challenge Votes 4.67 5.40 6.93 Questions
4 Tracks by Gizmore 918 12y 196d 69Challenge Votes 2.64 3.16 3.38 Questions
1 Training: ASCII by Gizmore 12883 12y 346d 824Challenge Votes 0.55 1.83 1.68 Questions
4 Training: Bacon Returns by Gizmore 222 13y 66d 21Challenge Votes 4.62 3.67 3.76 Questions
2 Training: Baconian by Gizmore 1708 13y 80d 132Challenge Votes 3.13 4.44 4.64 Questions
2 Training: Caterpillar by Gizmore 398 11y 336d 42Challenge Votes 4.71 3.74 3.52 Questions
2 Training: Checksums by gizmore 54 1y 197d 13Challenge Votes 2.08 1.62 3.46 Questions
1 Training: Crypto - Caesar I by Gizmore 12606 13y 97d 822Challenge Votes 1.20 2.48 2.74 Questions
2 Training: Crypto - Caesar II by Gizmore 2605 13y 97d 181Challenge Votes 2.93 3.69 4.65 Questions
2 Training: Crypto - Digraphs by Gizmore 1235 13y 97d 131Challenge Votes 4.26 4.47 5.30 Questions
2 Training: Crypto - Substitution I by Gizmore 3196 13y 97d 191Challenge Votes 3.05 3.66 4.41 Questions
3 Training: Crypto - Substitution II by Gizmore 524 13y 97d 58Challenge Votes 3.64 3.97 5.43 Questions
2 Training: Crypto - Transposition I by Gizmore 3928 13y 97d 258Challenge Votes 2.40 3.32 4.12 Questions
2 Training: Encodings I by Gizmore 5194 15y 259d 334Challenge Votes 3.29 4.32 3.95 Questions
1 Training: Get Sourced by Gizmore 19333 15y 332d 1804Challenge Votes 0.49 1.74 2.20 Questions
2 Training: GPG by Gizmore 1049 13y 55d 101Challenge Votes 2.86 6.21 4.78 Questions
2 Training: LSB by Gizmore 2056 13y 68d 151Challenge Votes 3.42 5.46 5.34 Questions
2 Training: Math Pyramid by Gizmore 1865 13y 87d 142Challenge Votes 4.13 4.15 5.32 Questions
2 Training: MySQL I by Gizmore 5911 13y 97d 437Challenge Votes 2.12 4.17 4.29 Questions
2 Training: MySQL II by Gizmore 3013 13y 97d 217Challenge Votes 4.83 5.97 6.00 Questions
4 Training: Net Ports by Gizmore 450 9y 276d 24Challenge Votes 3.12 4.83 4.67 Questions
1 Training: No DNS by gizmore 171 1y 314d 23Challenge Votes 1.87 3.74 5.83 Questions
2 Training: PHP LFI by Gizmore 4929 13y 148d 326Challenge Votes 2.89 5.17 4.92 Questions
2 Training: Programming 1 by Gizmore 5042 15y 231d 245Challenge Votes 2.89 4.61 4.87 Questions
2 Training: Regex by Gizmore 3111 13y 177d 315Challenge Votes 4.16 6.10 5.10 Questions
4 Training: RegexMini by ludde 638 12y 162d 51Challenge Votes 4.35 6.12 5.45 Questions
2 Training: Register Globals by Gizmore 3003 13y 87d 196Challenge Votes 2.57 4.55 4.62 Questions
1 Training: Stegano I by Gizmore 13306 15y 231d 873Challenge Votes 1.07 2.58 2.64 Questions
4 Training: Time is of the Essence by gizmore 34 3y 140d 14Challenge Votes 5.07 6.64 8.43 Questions
7 Training: Warchall - 7 Tropical Fruits by tropic 171 12y 70d 21Challenge Votes 6.52 8.10 8.19 Questions
2 Training: Warchall - The Beginning by WarChallStaff 2072 12y 70d 236Challenge Votes 2.55 4.74 7.18 Questions
2 Training: WWW-Basics by Gizmore 1654 13y 95d 152Challenge Votes 2.19 4.19 3.78 Questions
3 Training: WWW-Rewrites by Gizmore 435 13y 95d 39Challenge Votes 3.33 5.15 5.41 Questions
1 Training: WWW-Robots by Gizmore 11035 13y 68d 778Challenge Votes 1.21 3.53 3.42 Questions
5 Tribal Revival by gizmore 2 1y 69d 1Challenge Votes 7.00 3.00 6.00 Questions
4 Trivia by Z and Gizmore 792 15y 242d 95Challenge Votes 5.24 6.34 7.18 Questions
5 Valentine's Gold by gizmore and tehron 4 15d 15h 3Challenge Votes 3.67 5.00 10.00 Questions
3 Vermeer by XcrAckX 230 12y 222d 44Challenge Votes 3.93 4.07 5.82 Questions
2 Wanda by Gizmore 74 7y 135d 19Challenge Votes 4.89 4.05 5.63 Questions
4 Warchall: Live LFI by Gizmore 604 11y 274d 41Challenge Votes 3.88 4.80 6.00 Questions
4 Warchall: Live RCE by phiber and nurfed 275 10y 68d 23Challenge Votes 5.91 7.43 7.35 Questions
4 Warchall: Live RFI by Gizmore 532 11y 274d 42Challenge Votes 3.60 5.05 6.43 Questions
7 Warchall: Nurxxed by nurfed 20 10y 45d 7Challenge Votes 8.71 10.00 9.00 Questions
6 Warchall: Tryouts by matrixman 143 11y 300d 18Challenge Votes 8.00 9.00 9.00 Questions
5 WC Hashing Game by Gizmore 219 13y 92d 41Challenge Votes 4.20 5.20 5.98 Questions
7 What is your Name? by Mawekl 41 11y 205d 11Challenge Votes 7.18 8.09 7.55 Questions
4 Yourself PHP by Gizmore and Kender 726 13y 189d 66Challenge Votes 4.59 6.83 6.02 Questions
6 Z - Reloaded by Z and Gizmore 136 14y 183d 34Challenge Votes 5.85 7.65 8.18 Questions
3 Zebra by hirsch 1635 13y 38d 143Challenge Votes 2.23 2.94 4.96 Questions
5 Zen by Gizmore 30 7y 83d 12Challenge Votes 5.00 4.33 6.75 Questions