| Challenge | Category | Event | Solved count | Score | |
|---|---|---|---|---|---|
| 1. | are you admin i think nahh | Cryptography | Харуул Занги U18: 2025 | 14 | 909 |
| 2. | unknown key but known | Cryptography | Харуул Занги U18: 2025 | 24 | 724 |
| 3. | xGRAPHy | Miscellaneous | Харуул Занги U18: 2025 | 5 | 990 |
| 4. | Look Like Long | Cryptography | Харуул Занги U18: 2025 | 3 | 997 |
| 5. | Oracle is here | Cryptography | Харуул Занги U18: 2024 | 11 | 945 |
| 6. | sumPrimes revenge | Cryptography | CCS Club | 20 | 810 |
| 7. | sumPrimes | Cryptography | CCS Club | 53 | 10 |
| 8. | Modular encryption | Cryptography | Харуул Занги U18: 2024 | 33 | 472 |
| 9. | roshan's banner | Cryptography | Харуул Занги U18: 2024 | 131 | 10 |
| 10. | 中文余数 | Cryptography | Харуул Занги U18: 2024 | 54 | 10 |
| 11. | Broken Cert | Cryptography | Mazala | 8 | 972 |