| Challenge | Category | Event | Solved count | Score | |
|---|---|---|---|---|---|
| 1. | Oracle is here | Cryptography | Харуул Занги U18: 2024 | 11 | 945 |
| 2. | sumPrimes revenge | Cryptography | CCS Club | 19 | 829 |
| 3. | sumPrimes | Cryptography | CCS Club | 47 | 10 |
| 4. | Modular encryption | Cryptography | Харуул Занги U18: 2024 | 24 | 724 |
| 5. | roshan's banner | Cryptography | Харуул Занги U18: 2024 | 111 | 10 |
| 6. | 中文余数 | Cryptography | Харуул Занги U18: 2024 | 41 | 180 |
| 7. | Broken Cert | Cryptography | Mazala | 7 | 979 |