| Challenge | Category | Event | Solved count | Score | |
|---|---|---|---|---|---|
| 1. | Broken Cert Revenge | Cryptography | Mazala | 0 | 1000 |
| 2. | are you admin i think nahh | Cryptography | Харуул Занги U18: 2025 | 18 | 847 |
| 3. | unknown key but known | Cryptography | Харуул Занги U18: 2025 | 31 | 535 |
| 4. | xGRAPHy | Miscellaneous | Харуул Занги U18: 2025 | 8 | 972 |
| 5. | Look Like Long | Cryptography | Харуул Занги U18: 2025 | 8 | 972 |
| 6. | Oracle is here | Cryptography | Харуул Занги U18: 2024 | 12 | 934 |
| 7. | sumPrimes revenge | Cryptography | CCS Club | 21 | 790 |
| 8. | sumPrimes | Cryptography | CCS Club | 56 | 10 |
| 9. | Modular encryption | Cryptography | Харуул Занги U18: 2024 | 36 | 370 |
| 10. | roshan's banner | Cryptography | Харуул Занги U18: 2024 | 133 | 10 |
| 11. | 中文余数 | Cryptography | Харуул Занги U18: 2024 | 57 | 10 |
| 12. | Broken Cert | Cryptography | Mazala | 8 | 972 |