| Challenge | Category | Difficulty | Score | State | Date Submitted |
|---|---|---|---|---|---|
| XOR | Miscellaneous | Easy | 200 | Accepted | May 26, 2026, 00:37 |
| Alternate Endings | Digital Forensics | Hard | 400 | Accepted | May 25, 2026, 19:09 |
| The Angry Matryoshka | Miscellaneous | Medium | 300 | Wrong Flag | May 24, 2026, 17:55 |
| The Angry Matryoshka | Miscellaneous | Medium | 300 | Wrong Flag | May 24, 2026, 03:14 |
| The Matryoshka Secret | Miscellaneous | Easy | 200 | Accepted | May 24, 2026, 03:00 |
| Directory Fuzzing | Web Exploitation | Easy | 200 | Accepted | May 24, 2026, 02:16 |
| Composition | Miscellaneous | Hard | 400 | Accepted | May 22, 2026, 18:37 |
| Color 1 | Digital Forensics | Medium | 300 | Accepted | May 22, 2026, 04:00 |
| Affine Cipher | Cryptography | Easy | 200 | Accepted | May 22, 2026, 03:16 |
| Hill Cipher | Cryptography | Medium | 300 | Accepted | May 22, 2026, 02:17 |
| Polycrypto | Cryptography | Easy | 200 | Accepted | May 22, 2026, 02:04 |
| CTC | Cryptography | Easy | 200 | Accepted | May 22, 2026, 01:49 |
| RSA | Cryptography | Easy | 200 | Accepted | May 22, 2026, 01:31 |
| Ninja | Miscellaneous | Easy | 200 | Wrong Flag | May 21, 2026, 23:57 |
| Strings | Digital Forensics | Basic | 100 | Accepted | May 17, 2026, 20:05 |
| Bitwise | Cryptography | Easy | 200 | Accepted | May 8, 2026, 23:15 |
| XOR | Miscellaneous | Easy | 200 | Wrong Flag | March 30, 2026, 00:01 |
| Qwerty | Miscellaneous | Basic | 100 | Accepted | March 29, 2026, 21:35 |
| ROT | Miscellaneous | Basic | 100 | Accepted | March 29, 2026, 21:27 |
| Esolang 1 | Miscellaneous | Basic | 100 | Accepted | March 29, 2026, 21:26 |
| Base64 | Miscellaneous | Basic | 100 | Accepted | March 29, 2026, 21:00 |
| Base32 | Miscellaneous | Basic | 100 | Accepted | March 29, 2026, 21:00 |
| Hexadecimal | Miscellaneous | Basic | 100 | Accepted | March 29, 2026, 20:59 |
| Decimal | Miscellaneous | Basic | 100 | Accepted | March 29, 2026, 20:57 |
| Octal | Miscellaneous | Basic | 100 | Accepted | March 29, 2026, 20:56 |