| Challenge | Category | Event | Solved count | Score | |
|---|---|---|---|---|---|
| 1. | Broken Cert Revenge | Cryptography | Mazala | 5 | 990 |
| 2. | are you admin i think nahh | Cryptography | Харуул Занги U18: 2025 | 38 | 297 |
| 3. | unknown key but known | Cryptography | Харуул Занги U18: 2025 | 51 | 10 |
| 4. | xGRAPHy | Miscellaneous | Харуул Занги U18: 2025 | 12 | 934 |
| 5. | Look Like Long | Cryptography | Харуул Занги U18: 2025 | 22 | 769 |
| 6. | Oracle is here | Cryptography | Харуул Занги U18: 2024 | 20 | 810 |
| 7. | sumPrimes revenge | Cryptography | CCS Club | 32 | 504 |
| 8. | sumPrimes | Cryptography | CCS Club | 66 | 10 |
| 9. | Modular encryption | Cryptography | Харуул Занги U18: 2024 | 46 | 10 |
| 10. | roshan's banner | Cryptography | Харуул Занги U18: 2024 | 196 | 10 |
| 11. | 中文余数 | Cryptography | Харуул Занги U18: 2024 | 67 | 10 |
| 12. | Broken Cert | Cryptography | Mazala | 17 | 864 |