| Challenge | Category | Author | Solved | Score | |
|---|---|---|---|---|---|
| 1. | Decrypt me: 6 | Cryptography | unknown | 50 | 10 |
| 2. | Decode me: 2 | Cryptography | unknown | 72 | 10 |
| 3. | Decrypt me: 7 | Cryptography | unknown | 86 | 10 |
| 4. | Decrypt me: 8 | Cryptography | unknown | 98 | 10 |
| 5. | Decrypt me: 2 | Cryptography | unknown | 101 | 10 |
| 6. | Decode me: 8 | Cryptography | unknown | 119 | 10 |
| 7. | Decode me: 9 | Cryptography | unknown | 147 | 10 |
| 8. | Decrypt me: 5 | Cryptography | unknown | 168 | 10 |
| 9. | Decode me: 5 | Cryptography | unknown | 208 | 10 |
| 10. | Decode me: 4 | Cryptography | unknown | 213 | 10 |
| 11. | Decrypt me: 1 | Cryptography | unknown | 224 | 10 |
| 12. | Decode me: 3 | Cryptography | unknown | 232 | 10 |
| 13. | Decode me: 1 | Cryptography | unknown | 254 | 10 |