sojuuz
Solves
| Challenge | Category | Value | Time |
| Simple Overflow | Binary | 20 | |
| Kuki Bank | None | 20 | |
| Julius Caesar | Cryptography | 100 | |
| Year 1993 by Urban Müller | Cryptography | 300 | |
| Wiener's RSA | None | 20 | |
| Simple Diffie-Hellman | None | 20 | |
| I am Samuel Morse! | Cryptography | 100 | |
| Simple Diffie-Hellman 2 | None | 20 | |
| I am Samuel Morse 2! | Cryptography | 200 | |
| Hex To ASCII | Mini Game | 100 | |
| The game of NIM | Mini Game | 20 |