tantan2
Solves
| Challenge | Category | Value | Time |
| Warm Up | Warm Up | 20 | |
| Secure Shell | Warm Up | 20 | |
| Forensics Warm Up 1 | Forensics | 20 | |
| Base64 | Warm Up | 20 | |
| What is ROT? | Cryptography | 50 | |
| QR | Warm Up | 20 | |
| Web warmup | Web | 20 | |
| Julius Caesar | Cryptography | 100 | |
| Year 1993 by Urban Müller | Cryptography | 300 | |
| Simple Overflow | Binary | 20 | |
| Auth Me 1.0 | Binary | 20 | |
| Linux Tutorial 1 | Linux | 20 | |
| The game of NIM | Mini Game | 20 | |
| Linux Tutorial 2 | Linux | 20 | |
| Linux Tutorial 3 | None | 20 | |
| Linux Tutorial 4 | None | 20 |