hyl
Solves
| Challenge | Category | Value | Time |
| Warm Up | Warm Up | 20 | |
| Base64 | Warm Up | 20 | |
| QR | Warm Up | 20 | |
| Net Cat | Warm Up | 20 | |
| Julius Caesar | Cryptography | 100 | |
| Year 1993 by Urban Müller | Cryptography | 300 | |
| I am Samuel Morse! | Cryptography | 100 | |
| I am Samuel Morse 2! | Cryptography | 200 | |
| IQ Test | Cryptography | 20 | |
| Beware of SHA1rk | Cryptography | 20 | |
| Xtra ObscuRe Service | Cryptography | 20 | |
| Linux Tutorial 1 | Linux | 20 | |
| Linux Tutorial 2 | Linux | 20 | |
| Linux Tutorial 3 | None | 20 | |
| Linux Tutorial 4 | None | 20 | |
| Beginner Reverse 1 | Reverse Engineering | 50 | |
| Discord | Warm Up | 10 | |
| Forensics Warm Up 1 | Forensics | 20 | |
| What is ROT? | Cryptography | 50 | |
| Stegnography 1 | Steganography | 100 | |
| Simple Overflow | Binary | 20 | |
| Web warmup | Web | 20 | |
| Patience Test | Warm Up | 300 | |
| Quick Survey | Warm Up | 400 | |
| Forensics Warm Up 2 | Forensics | 50 | |
| File Signature | Forensics | 20 | |
| Shark Of Wire | Forensics | 20 | |
| File Signature 2 | Forensics | 20 | |
| Corrupted Image | Forensics | 20 | |
| Shark Of Wire 2 | Forensics | 20 | |
| Flags in ZIP | None | 20 | |
| Secret Letter | Steganography | 20 | |
| Godam Secrets | Forensics | 20 | |
| Stegnography 2 | Steganography | 150 | |
| Auth Me 1.0 | Binary | 20 | |
| Format String | Binary | 20 | |
| Hex To ASCII | Mini Game | 100 | |
| Qu1ck M47h5 | Mini Game | 20 | |
| Simple RSA | Cryptography | 20 | |
| E-CryptoBook Service | Cryptography | 20 | |
| A Thousand Words | Steganography | 20 | |
| Guess The Number | Binary | 20 | |
| Overflow Me! | Binary | 20 | |
| Advance Overflow | Binary | 20 | |
| Auth Me 2.0 | Binary | 20 | |
| Simple RSA 2 | Cryptography | 20 | |
| Schrödinger's Cat | Miscellaneous | 20 | |
| Secret Message | Miscellaneous | 20 | |
| Beginner Reverse 2 | Reverse Engineering | 50 | |
| Beginner Reverse 3 | Reverse Engineering | 50 | |
| Calculator | Miscellaneous | 20 | |
| nogard 1 | None | 20 | |
| nogard 2 | None | 20 | |
| Recette Secrète | Cryptography | 20 | |
| Layers of 101 | Programming | 287 | |
| The Kolona Virus | Reverse Engineering | 20 | |
| nogard 3 | None | 20 | |
| Beginner Reverse 5 | Reverse Engineering | 50 | |
| Stegnography 3 | Steganography | 200 | |
| What5Th3Pa55Cod3? | Reverse Engineering | 20 | |
| Beginner Reverse 4 | Reverse Engineering | 50 | |
| Beginner Reverse 6 | Reverse Engineering | 50 | |
| Ular Challenge 1 | None | 20 | |
| The Kolona Virus v2 | Reverse Engineering | 193 | |
| Happy CNY! | Miscellaneous | 20 |