| Zip service 1 | Forensics | MUST CTF: 2025 | 10 | 955 |
| Meme of the day | Web | MUST CTF: 2025 | 41 | 180 |
| Image viewer | Web | MUST CTF: 2025 | 17 | 864 |
| Protected by filter | Web | MUST CTF: 2025 | 14 | 909 |
| Ghost package | Forensics | MUST CTF: 2025 | 9 | 964 |
| Collision finder | Cryptography | MUST CTF: 2025 | 10 | 955 |
| Clash of MD5 | Cryptography | MUST CTF: 2025 | 9 | 964 |
| Prime or not Prime | Cryptography | MUST CTF: 2025 | 11 | 945 |
| Fancy text | Cryptography | MUST CTF: 2025 | 10 | 955 |
| Proof of work | Reverse Engineering | MUST CTF: 2025 | 7 | 979 |
| Unknown data | Forensics | MUST CTF: 2025 | 11 | 945 |
| Unknown seed | Cryptography | MUST CTF: 2025 | 11 | 945 |
| RandCrack | Cryptography | MUST CTF: 2025 | 9 | 964 |
| Encryption tool | Reverse Engineering | CTF.mn league | 21 | 790 |
| Flag giveaway | Web | Харуул Занги U18: 2025 | 147 | 10 |
| Scambet | Cryptography | CTF.mn league | 14 | 909 |
| Flag for kindness | Pwn | Харуул Занги U18: 2025 | 31 | 535 |
| Show your skills | Pwn | Харуул Занги U18: 2025 | 49 | 10 |
| Registration | Pwn | Харуул Занги U18: 2025 | 68 | 10 |
| Favorite number | Cryptography | Харуул Занги U18: 2025 | 36 | 370 |
| Fcrackzip As A Service | Web | CTF.mn league | 14 | 909 |
| Regex Based Firewall | Web | CTF.mn league | 35 | 405 |
| Unknown execution | Pwn | CTF.mn league | 29 | 594 |
| Feedback for debug | Pwn | CTF.mn league | 28 | 622 |
| Nice to meet you | Pwn | CTF.mn league | 17 | 864 |
| Encryption Standard Advanced | Cryptography | Харуул Занги U18: 2025 | 32 | 504 |
| Advanced Encryption Standard | Cryptography | Харуул Занги U18: 2025 | 66 | 10 |
| First Blood: Reloaded | Cryptography | Харуул Занги U18: 2025 | 43 | 97 |
| Encryption service 3 | Cryptography | CTF.mn league | 14 | 909 |
| Encryption service 2 | Cryptography | CTF.mn league | 16 | 880 |
| Encryption service 1 | Cryptography | CTF.mn league | 20 | 810 |
| flag-3.bmp | Forensics | CTF.mn league | 13 | 922 |
| flag-2.png | Forensics | CTF.mn league | 17 | 864 |
| flag-1.jpg | Forensics | CTF.mn league | 21 | 790 |
| Seed of Greatness: ELF | Reverse Engineering | CTF.mn league | 24 | 724 |
| Seed of Greatness: pyc | Reverse Engineering | CTF.mn league | 18 | 847 |
| Seed of Greatness: class | Reverse Engineering | CTF.mn league | 28 | 622 |
| 16 bytes: 512-bit primes | Cryptography | CTF.mn league | 10 | 955 |
| 16 bytes: 256-bit primes | Cryptography | CTF.mn league | 24 | 724 |
| 16 bytes: 128-bit primes | Cryptography | CTF.mn league | 16 | 880 |
| Verification: Revolutions | Cryptography | MUST CTF: 2024 | 15 | 895 |
| Verification: Reloaded | Cryptography | MUST CTF: 2024 | 23 | 747 |
| Verification | Cryptography | MUST CTF: 2024 | 37 | 334 |
| The First Half: Revolutions | Cryptography | MUST CTF: 2024 | 15 | 895 |
| The First Half: Reloaded | Cryptography | MUST CTF: 2024 | 35 | 405 |
| The First Half | Cryptography | MUST CTF: 2024 | 47 | 10 |
| Миний хэнз флаг | Miscellaneous | Mazala | 94 | 10 |
| Нууц зурвас | Cryptography | Mazala | 117 | 10 |
| Impossible to decrypt | Cryptography | Харуул Занги U18: 2024 | 17 | 864 |
| Modular encryption reloaded | Cryptography | Харуул Занги U18: 2024 | 27 | 649 |
| Embrace the randomness | Cryptography | Харуул Занги U18: 2024 | 33 | 472 |
| Бие халаалт | Cryptography | Харуул Занги U18: 2024 | 62 | 10 |
| RSA tutorial | Cryptography | Mazala | 52 | 10 |
| XOR without X | Cryptography | Mazala | 52 | 10 |
| Really Suspicious Algorithm | Cryptography | Mazala | 57 | 10 |
| Чухал биш битүүд | Steganography | Mazala | 132 | 10 |
| Тасархай файл | Forensics | Mazala | 47 | 10 |
| Complete random key | Cryptography | Mazala | 62 | 10 |