Challenges Statuses
Click on the number for each Passed challenge to see who has solved it.
Completed 350 of 350 challenges (100.00%)
| No. | Challenge | Level | Ready | Passed |
| 1 | Really elementary | 1 | 1 | 108 |
| 2 | Easy Javascript | 1 | 1 | 100 |
| 3 | Hieroglyphics math | 1 | 1 | 50 |
| 4 | Python 101 | 1 | 1 | 92 |
| 5 | Hi intruder | 1 | 1 | 17 |
| 6 | The nth term | 1 | 1 | 60 |
| 7 | Pokemon! | 1 | 1 | 30 |
| 8 | Easter egg | 1 | 1 | 39 |
| 9 | Do you paint? | 1 | 1 | 41 |
| 10 | Hex colour | 1 | 1 | 22 |
| 11 | Java training | 1 | 1 | 19 |
| 12 | Showtime | 1 | 1 | 20 |
| 13 | True or false | 1 | 1 | 54 |
| 14 | Pyramid payroll I | 1 | 1 | 22 |
| 15 | Basecamp | 1 | 1 | 38 |
| 16 | Finding factors | 1 | 1 | 20 |
| 17 | Geek quiz | 1 | 1 | 19 |
| 18 | Number of ways | 1 | 1 | 25 |
| 19 | Equal sums | 1 | 1 | 18 |
| 20 | Unix 101 | 1 | 1 | 25 |
| 21 | Frame of mind | 1 | 1 | 15 |
| 22 | Easy stegano | 1 | 1 | 31 |
| 23 | Go bananas! | 1 | 1 | 17 |
| 24 | Select now | 1 | 1 | 12 |
| 25 | Weak password | 1 | 1 | 24 |
| 26 | See through | 1 | 1 | 19 |
| 27 | Anime Underground | 1 | 1 | 18 |
| 28 | Message over | 1 | 1 | 6 |
| 29 | Fisheye | 1 | 1 | 7 |
| 30 | First crypto | 1 | 1 | 4 |
| 31 | Special Agents | 1 | 1 | 13 |
| 32 | Recce | 1 | 1 | 21 |
| 33 | Wordsearch | 1 | 1 | 10 |
| 34 | Lisp I | 1 | 1 | 15 |
| 35 | FTP 101 | 1 | 1 | 16 |
| 36 | IRC I | 1 | 1 | 6 |
| 37 | Buried | 1 | 1 | 15 |
| 38 | Degradation | 1 | 1 | 11 |
| 39 | Texnical I | 1 | 1 | 7 |
| 40 | Caesarian ciphers | 1 | 1 | 15 |
| 41 | Bye intruder | 1 | 1 | 6 |
| 42 | Too late | 1 | 1 | 6 |
| 43 | Nothing like home | 1 | 1 | 4 |
| 44 | On time | 1 | 1 | 8 |
| 45 | Stitch me | 1 | 1 | 11 |
| 46 | Peekaboo | 1 | 1 | 12 |
| 47 | Simple l33t | 1 | 1 | 12 |
| 48 | Enormous | 1 | 1 | 11 |
| 49 | Scrambled | 1 | 1 | 5 |
| 50 | Mini challenge | 1 | 1 | 7 |
| 51 | Email forensic | 1 | 1 | 3 |
| 52 | Rubik | 1 | 1 | 8 |
| 53 | Wrong sum | 1 | 1 | 25 |
| 54 | Delta | 1 | 1 | 8 |
| 55 | Rotten | 1 | 1 | 12 |
| 56 | Kiddie Exploit I | 1 | 1 | 5 |
| 57 | Challenge tube | 1 | 1 | 3 |
| 58 | Owned | 1 | 1 | 12 |
| 59 | Blackout I | 1 | 1 | 20 |
| 60 | Artillery range | 1 | 1 | 18 |
| 61 | Shhh | 2 | 1 | 31 |
| 62 | Yummy! | 2 | 1 | 25 |
| 63 | View me | 2 | 1 | 29 |
| 64 | Hit the dots! | 2 | 1 | 24 |
| 65 | Mastermind | 2 | 1 | 11 |
| 66 | Don't blink | 2 | 1 | 13 |
| 67 | Be alert | 2 | 1 | 15 |
| 68 | Prime time | 2 | 1 | 24 |
| 69 | Into the future | 2 | 1 | 16 |
| 70 | HTML encode | 2 | 1 | 21 |
| 71 | Night shift | 2 | 1 | 6 |
| 72 | Hackers' Camp 1A | 2 | 1 | 12 |
| 73 | Intersection | 2 | 1 | 12 |
| 74 | Great you did it! | 2 | 1 | 11 |
| 75 | Sheep and goats | 2 | 1 | 26 |
| 76 | Newbie PHP coder | 2 | 1 | 17 |
| 77 | Family relations | 2 | 1 | 9 |
| 78 | Now you see it | 2 | 1 | 7 |
| 79 | Nonograms I | 2 | 1 | 21 |
| 80 | Flashy game | 2 | 1 | 7 |
| 81 | Equality | 2 | 1 | 12 |
| 82 | Regex | 2 | 1 | 14 |
| 83 | Find my home | 2 | 1 | 7 |
| 84 | Python 102 | 2 | 1 | 27 |
| 85 | Series | 2 | 1 | 11 |
| 86 | Binary dance | 2 | 1 | 11 |
| 87 | Allow me | 2 | 1 | 15 |
| 88 | Artisan's mass | 2 | 1 | 5 |
| 89 | Where is The Great Pyramid? | 2 | 1 | 4 |
| 90 | Forgetful admin | 2 | 1 | 3 |
| 91 | I hate qwerty | 2 | 1 | 13 |
| 92 | Behind bars | 2 | 1 | 15 |
| 93 | Referer | 2 | 1 | 9 |
| 94 | Shapes | 2 | 1 | 15 |
| 95 | Quotient | 2 | 1 | 12 |
| 96 | Darkness fell | 2 | 1 | 5 |
| 97 | Celestial journey | 2 | 1 | 7 |
| 98 | Hear ye | 2 | 1 | 6 |
| 99 | Bytes arithmetic | 2 | 1 | 9 |
| 100 | Unix 102 | 2 | 1 | 7 |
| 101 | 222 reasons | 2 | 1 | 7 |
| 102 | Jigsaw | 2 | 1 | 6 |
| 103 | Cryptic phrase | 2 | 1 | 4 |
| 104 | Lisp II | 2 | 1 | 11 |
| 105 | Fragmentary | 2 | 1 | 6 |
| 106 | Numb3rs | 2 | 1 | 8 |
| 107 | FTP 102 | 2 | 1 | 10 |
| 108 | Image theft | 2 | 1 | 6 |
| 109 | IRC II | 2 | 1 | 1 |
| 110 | ASM I | 2 | 1 | 10 |
| 111 | Navigate me | 2 | 1 | 7 |
| 112 | Untitled | 2 | 1 | 5 |
| 113 | Onion peeling | 2 | 1 | 10 |
| 114 | Bitten bytes | 2 | 1 | 8 |
| 115 | Hackers' Camp 1B | 2 | 1 | 19 |
| 116 | Hackers' Camp 1C | 2 | 1 | 7 |
| 117 | A compromising image | 2 | 1 | 5 |
| 118 | Hackers' Camp 1D | 2 | 1 | 7 |
| 119 | Did I mension? | 2 | 1 | 3 |
| 120 | A strange recipe | 2 | 1 | 5 |
| 121 | Colour blindness | 2 | 1 | 4 |
| 122 | Hackers' Camp 1E | 2 | 1 | 6 |
| 123 | Twisted word | 2 | 1 | 6 |
| 124 | Hash brown | 2 | 1 | 5 |
| 125 | Picture proof | 2 | 1 | 7 |
| 126 | Binary hip hop | 2 | 1 | 6 |
| 127 | Let's Program 1A | 2 | 1 | 9 |
| 128 | Let's Program 1B | 2 | 1 | 7 |
| 129 | Giza tour | 2 | 1 | 5 |
| 130 | Blimp | 2 | 1 | 6 |
| 131 | Combinations I | 2 | 1 | 7 |
| 132 | Wondrous numbers | 2 | 1 | 7 |
| 133 | Sniffed | 2 | 1 | 10 |
| 134 | See plus plus | 2 | 1 | 8 |
| 135 | Multiverse | 2 | 1 | 2 |
| 136 | Universal Cycle I | 2 | 1 | 8 |
| 137 | Access denied | 2 | 1 | 9 |
| 138 | Hackers' Camp 1F | 2 | 1 | 5 |
| 139 | Pigeon holes | 2 | 1 | 6 |
| 140 | New signal | 2 | 1 | 10 |
| 141 | The Directory | 2 | 1 | 2 |
| 142 | Save My Soul | 2 | 1 | 2 |
| 143 | Dice Where? | 2 | 1 | 5 |
| 144 | Camel programming | 3 | 1 | 11 |
| 145 | Brackets rulez! | 3 | 1 | 7 |
| 146 | Nice try! | 3 | 1 | 13 |
| 147 | A strange word | 3 | 1 | 8 |
| 148 | A dice game | 3 | 1 | 5 |
| 149 | Dogz speak | 3 | 1 | 7 |
| 150 | Wrong labe1s | 3 | 1 | 8 |
| 151 | Hide me | 3 | 1 | 5 |
| 152 | Pseudocode | 3 | 1 | 10 |
| 153 | Sudoku I | 3 | 1 | 22 |
| 154 | Guess the number | 3 | 1 | 10 |
| 155 | Eight commands | 3 | 1 | 11 |
| 156 | Pyramid payroll II | 3 | 1 | 7 |
| 157 | Buggy code | 3 | 1 | 8 |
| 158 | Know the gods | 3 | 1 | 7 |
| 159 | ASM II | 3 | 1 | 10 |
| 160 | Nonsense creatures | 3 | 1 | 12 |
| 161 | Labourer tag | 3 | 1 | 7 |
| 162 | Nonograms II | 3 | 1 | 10 |
| 163 | Hackers' Camp 2A | 3 | 1 | 3 |
| 164 | Snow | 3 | 1 | 6 |
| 165 | Pontifex | 3 | 1 | 8 |
| 166 | The longest word | 3 | 1 | 14 |
| 167 | Hackers' Camp 2B | 3 | 1 | 7 |
| 168 | Musical crypto | 3 | 1 | 4 |
| 169 | A little riddle | 3 | 1 | 5 |
| 170 | Oral crypto | 3 | 1 | 2 |
| 171 | Squeeze me not | 3 | 1 | 14 |
| 172 | Pretty good | 3 | 1 | 10 |
| 173 | Colourful life | 3 | 1 | 6 |
| 174 | Hackers' Camp 2C | 3 | 1 | 1 |
| 175 | Fruity | 3 | 1 | 11 |
| 176 | The Perl way | 3 | 1 | 6 |
| 177 | XORed | 3 | 1 | 10 |
| 178 | Python 103 | 3 | 1 | 10 |
| 179 | Regex revisit | 3 | 1 | 10 |
| 180 | Name scores | 3 | 1 | 9 |
| 181 | Siblings | 3 | 1 | 4 |
| 182 | Minesweeper | 3 | 1 | 4 |
| 183 | Pixels | 3 | 1 | 8 |
| 184 | Gibberish | 3 | 1 | 7 |
| 185 | Weak algorithm | 3 | 1 | 8 |
| 186 | Finger | 3 | 1 | 4 |
| 187 | Vote rigging | 3 | 1 | 2 |
| 188 | Hackers' Camp 2D | 3 | 1 | 3 |
| 189 | Ruby the gem | 3 | 1 | 6 |
| 190 | Search and rescue | 3 | 1 | 6 |
| 191 | Golden beetle | 3 | 1 | 7 |
| 192 | Jigsaw II | 3 | 1 | 4 |
| 193 | Did they mean it? | 3 | 1 | 6 |
| 194 | Exorcism | 3 | 1 | 3 |
| 195 | Very Important Mission | 3 | 1 | 5 |
| 196 | A line of three | 3 | 1 | 7 |
| 197 | A broken jar | 3 | 1 | 6 |
| 198 | Number Guessing Theory I | 3 | 1 | 3 |
| 199 | Annihilation | 3 | 1 | 5 |
| 200 | Texnical II | 3 | 1 | 5 |
| 201 | Guess my password | 3 | 1 | 5 |
| 202 | Weight measuring theory | 3 | 1 | 6 |
| 203 | Seventh sense | 3 | 1 | 5 |
| 204 | Hackers' Camp 2E | 3 | 1 | 2 |
| 205 | Alien signal | 3 | 1 | 8 |
| 206 | Beheaded | 3 | 1 | 6 |
| 207 | Let's Program 2A | 3 | 1 | 1 |
| 208 | Blackout II | 3 | 1 | 4 |
| 209 | OOP | 3 | 1 | 5 |
| 210 | Holy Rankk Transform | 3 | 1 | 5 |
| 211 | Jailbreak | 3 | 1 | 5 |
| 212 | Combinations II | 3 | 1 | 5 |
| 213 | Spiral | 3 | 1 | 5 |
| 214 | Universal Cycle II | 3 | 1 | 3 |
| 215 | MasterCard hash | 3 | 1 | 6 |
| 216 | Hackers' Camp 2F | 3 | 1 | 6 |
| 217 | Where is it? | 3 | 1 | 5 |
| 218 | Shared spirits | 3 | 1 | 3 |
| 219 | Disapparated | 3 | 1 | 4 |
| 220 | Trompe Loeil | 3 | 1 | 3 |
| 221 | Ti.me Turn.er | 3 | 1 | 4 |
| 222 | Bad Beginning | 3 | 1 | 2 |
| 223 | Zodiac | 3 | 1 | 6 |
| 224 | The Emperor's Edict | 3 | 1 | 6 |
| 225 | A special browser | 4 | 1 | 3 |
| 226 | The missing Merchant | 4 | 1 | 6 |
| 227 | y0u g0t 0wn3d | 4 | 1 | 7 |
| 228 | Move it | 4 | 1 | 6 |
| 229 | Crypto entrance test | 4 | 1 | 7 |
| 230 | Sudoku II | 4 | 1 | 7 |
| 231 | The Sphinx crypto | 4 | 1 | 5 |
| 232 | grAve roBBers | 4 | 1 | 5 |
| 233 | The rising knight | 4 | 1 | 6 |
| 234 | Count and wonder | 4 | 1 | 7 |
| 235 | First contact | 4 | 1 | 6 |
| 236 | Password created | 4 | 1 | 3 |
| 237 | Gray matter | 4 | 1 | 7 |
| 238 | The Geb spot | 4 | 1 | 3 |
| 239 | Crypt text | 4 | 1 | 3 |
| 240 | The Great Pyramids | 4 | 1 | 2 |
| 241 | Let's analyse | 4 | 1 | 3 |
| 242 | Regex final | 4 | 1 | 6 |
| 243 | Weak algorithm II | 4 | 1 | 5 |
| 244 | Mysterious girl | 4 | 1 | 7 |
| 245 | The Korean hacker | 4 | 1 | 2 |
| 246 | Fences | 4 | 1 | 5 |
| 247 | PHP pwned | 4 | 1 | 5 |
| 248 | High command | 4 | 1 | 2 |
| 249 | Ancient math | 4 | 1 | 5 |
| 250 | Incarnation | 4 | 1 | 1 |
| 251 | The hashing game | 4 | 1 | 3 |
| 252 | Let's beat piracy | 4 | 1 | 3 |
| 253 | Decimated | 4 | 1 | 4 |
| 254 | Dice rolls | 4 | 1 | 3 |
| 255 | Byte swapping | 4 | 1 | 2 |
| 256 | Greedy python | 4 | 1 | 2 |
| 257 | Primeval painting | 4 | 1 | 4 |
| 258 | Incipit Matthaeus | 4 | 1 | 4 |
| 259 | Number Guessing Theory II | 4 | 1 | 2 |
| 260 | The Nonogram Pyramid | 4 | 1 | 4 |
| 261 | Letterboxes | 4 | 1 | 1 |
| 262 | Hippogryph or by foot? | 4 | 1 | 4 |
| 263 | IRC III | 4 | 1 | 1 |
| 264 | Signal to noise | 4 | 1 | 2 |
| 265 | Silent years | 4 | 1 | 3 |
| 266 | Picture proof pro | 4 | 1 | 1 |
| 267 | Let's Program 3A | 4 | 1 | 4 |
| 268 | r7g7b7a7 | 4 | 1 | 2 |
| 269 | Meteoroid | 4 | 1 | 3 |
| 270 | Read the signs | 4 | 1 | 3 |
| 271 | Disguise | 4 | 1 | 3 |
| 272 | Universal understanding | 4 | 1 | 2 |
| 273 | Combinations III | 4 | 1 | 5 |
| 274 | Magical | 4 | 1 | 3 |
| 275 | Countdown | 4 | 1 | 1 |
| 276 | The true enigma | 4 | 1 | 3 |
| 277 | Quantum Retanglement | 4 | 1 | 3 |
| 278 | ACApella hymn | 4 | 1 | 3 |
| 279 | Transfiguration | 4 | 1 | 3 |
| 280 | Poetic Citations | 4 | 1 | 3 |
| 281 | The Great Pyramidal fold | 4 | 1 | 5 |
| 282 | Poke montage | 4 | 1 | 3 |
| 283 | The Grayt Sphinx | 4 | 1 | 2 |
| 284 | Valentine tricks | 4 | 1 | 3 |
| 285 | Where is it again? | 4 | 1 | 4 |
| 286 | Arckeyologist | 4 | 1 | 3 |
| 287 | Debris digging | 5 | 1 | 6 |
| 288 | Too slow! | 5 | 1 | 7 |
| 289 | Heavily guarded | 5 | 1 | 4 |
| 290 | Zipped | 5 | 1 | 2 |
| 291 | Blackjack | 5 | 1 | 6 |
| 292 | Chamber door | 5 | 1 | 4 |
| 293 | Play fair dude | 5 | 1 | 9 |
| 294 | Averages | 5 | 1 | 7 |
| 295 | Pinch mark | 5 | 1 | 6 |
| 296 | Convert and count | 5 | 1 | 6 |
| 297 | Best product | 5 | 1 | 4 |
| 298 | Rotation | 5 | 1 | 7 |
| 299 | Spider | 5 | 1 | 5 |
| 300 | Regex ghost | 5 | 1 | 6 |
| 301 | Stronger algorithm | 5 | 1 | 1 |
| 302 | Baa baa blacksheep | 5 | 1 | 6 |
| 303 | M13 | 5 | 1 | 3 |
| 304 | Sudoku III | 5 | 1 | 5 |
| 305 | Lisp III | 5 | 1 | 1 |
| 306 | RSA | 5 | 1 | 4 |
| 307 | The even longer word | 5 | 1 | 3 |
| 308 | cipCIPcipherHERher | 5 | 1 | 1 |
| 309 | Hardened EXE | 5 | 1 | 3 |
| 310 | Wordsearch Pro | 5 | 1 | 3 |
| 311 | Dice rolls II | 5 | 1 | 3 |
| 312 | The manuscript | 5 | 1 | 2 |
| 313 | Lottery patterns | 5 | 1 | 7 |
| 314 | Cyclic Redundancy Chase | 5 | 1 | 1 |
| 315 | Write again | 5 | 1 | 2 |
| 316 | Sniffed II | 5 | 1 | 2 |
| 317 | Quasi-Rogue | 5 | 1 | 2 |
| 318 | Conway's comprehension | 5 | 1 | 2 |
| 319 | Lost painting | 5 | 1 | 5 |
| 320 | Trunks up | 5 | 1 | 8 |
| 321 | Divination | 5 | 1 | 7 |
| 322 | The number e | 6 | 1 | 5 |
| 323 | SQL injection | 6 | 1 | 5 |
| 324 | Linked list | 6 | 1 | 6 |
| 325 | All but one | 6 | 1 | 5 |
| 326 | Ascii art | 6 | 1 | 7 |
| 327 | Hangman | 6 | 1 | 7 |
| 328 | Traversal | 6 | 1 | 7 |
| 329 | Camel ride | 6 | 1 | 2 |
| 330 | Amazing | 6 | 1 | 5 |
| 331 | Batch cracking | 6 | 1 | 4 |
| 332 | Wildlife | 6 | 1 | 4 |
| 333 | Large hashing collider | 6 | 1 | 3 |
| 334 | Time for church | 6 | 1 | 2 |
| 335 | Exponentially | 6 | 1 | 1 |
| 336 | Endgame | 6 | 1 | 3 |
| 337 | The Round Box | 6 | 1 | 5 |
| 338 | Proxy hunting | 7 | 1 | 4 |
| 339 | Mummified | 7 | 1 | 3 |
| 340 | Eliza speak | 7 | 1 | 5 |
| 341 | Simultaneously | 7 | 1 | 5 |
| 342 | Invisible captcha | 7 | 1 | 4 |
| 343 | The returning knight | 7 | 1 | 5 |
| 344 | Jackpot | 7 | 1 | 2 |
| 345 | Gen8:17 | 7 | 1 | 2 |
| 346 | 26! | 7 | 1 | 3 |
| 347 | Formless | 8 | 1 | 4 |
| 348 | Meet ToeJam | 8 | 1 | 2 |
| 349 | The odd one | 8 | 1 | 4 |
| 350 | The showdown | 9 | 1 | 1 |
