| Name | Points | Tags | Writeups | |
|---|---|---|---|---|
| Post Quantum Crypto | 838 | edon-k crypto | 0 | |
| Ransomware Part 2 | 673 | ransomware crypto reversing | 0 | |
| Ransomware Part 1 | 265 | ransomware crypto reversing | 0 | |
| Crypto VM | 631 | crypto reversing vm | 0 | |
| The Message | 137 | playfair crypto | 3 | |
| Mystic file | 673 | deleted-files forensics filesystem | 0 | |
| Remote Digital Problem | 310 | tls forensics rdp | 0 | |
| Memeories | 124 | forensics memory_dump | 0 | |
| компрома́т | 720 | metadata forensics zipinfo | 0 | |
| Poke | 142 | stego misc | 3 | |
| Space Puzzles | 594 | misc nonogram | 0 | |
| Extra Space Puzzle | 406 | misc nonogram | 0 | |
| Professor Doctrina | 285 | machine-learning python misc scikit-learn | 0 | |
| Cubik's Rube | 127 | misc rubiks-cube | 0 | |
| Parallel Universe: Warmup | 197 | x86 pwn x64 | 0 | |
| Parallel Universe: Quarantine Simulator | 561 | x86 pwn x64 | 0 | |
| Bufferfly | 197 | bof pwn | 1 | |
| Boofy | 69 | bufferoverflow pwn | 0 | |
| The Biohacker's Herbarium Service | 363 | pwn mmap | 1 | |
| Game of Keys | 73 | python reversing | 2 | |
| Chuck Norris | 167 | apk patching | 0 | |
| zero | 720 | c web null-byte-injection c | 0 | |
| .-.-.- .-.-.- .-.-.- | 150 | asciidots misc | 3 | |
| Shop | 117 | web | 1 | |
| Redux | 65 | redux web | 1 | |
| Files | 775 | web ssti | 0 | |
| Exfiltration | 103 | web xss | 3 | |
| Bobby | 150 | web sqli | 2 | |
| Bad Intentions | 108 | apktool reverse-engineering | 1 | |
| Useless Crap | 319 | pwn shellcode | 5 | |
| Boofy | 69 | bof pwn | 1 | |
| Extract this! | 93 | pwn xxe xml | 2 | |
| s2s messaging | 73 | mqtt misc | 3 | |
