| Challenge | Category | Event | Solved count | Score | |
|---|---|---|---|---|---|
| 1. | Broken Cert Revenge | Cryptography | Mazala | 8 | 972 |
| 2. | are you admin i think nahh | Cryptography | Харуул Занги U18: 2025 | 40 | 220 |
| 3. | unknown key but known | Cryptography | Харуул Занги U18: 2025 | 53 | 10 |
| 4. | xGRAPHy | Miscellaneous | Харуул Занги U18: 2025 | 15 | 895 |
| 5. | Look Like Long | Cryptography | Харуул Занги U18: 2025 | 24 | 724 |
| 6. | Oracle is here | Cryptography | Харуул Занги U18: 2024 | 22 | 769 |
| 7. | sumPrimes revenge | Cryptography | CCS Club | 33 | 472 |
| 8. | sumPrimes | Cryptography | CCS Club | 68 | 10 |
| 9. | Modular encryption | Cryptography | Харуул Занги U18: 2024 | 47 | 10 |
| 10. | roshan's banner | Cryptography | Харуул Занги U18: 2024 | 207 | 10 |
| 11. | 中文余数 | Cryptography | Харуул Занги U18: 2024 | 71 | 10 |
| 12. | Broken Cert | Cryptography | Mazala | 18 | 847 |