| Challenge | Category | Event | Solved count | Score | |
|---|---|---|---|---|---|
| 1. | Broken Cert Revenge | Cryptography | Mazala | 4 | 994 |
| 2. | are you admin i think nahh | Cryptography | Харуул Занги U18: 2025 | 27 | 649 |
| 3. | unknown key but known | Cryptography | Харуул Занги U18: 2025 | 45 | 10 |
| 4. | xGRAPHy | Miscellaneous | Харуул Занги U18: 2025 | 10 | 955 |
| 5. | Look Like Long | Cryptography | Харуул Занги U18: 2025 | 12 | 934 |
| 6. | Oracle is here | Cryptography | Харуул Занги U18: 2024 | 15 | 895 |
| 7. | sumPrimes revenge | Cryptography | CCS Club | 28 | 622 |
| 8. | sumPrimes | Cryptography | CCS Club | 62 | 10 |
| 9. | Modular encryption | Cryptography | Харуул Занги U18: 2024 | 42 | 139 |
| 10. | roshan's banner | Cryptography | Харуул Занги U18: 2024 | 168 | 10 |
| 11. | 中文余数 | Cryptography | Харуул Занги U18: 2024 | 62 | 10 |
| 12. | Broken Cert | Cryptography | Mazala | 11 | 945 |