| Challenge | Category | Author | Solved | Score | |
|---|---|---|---|---|---|
| 1. | Decrypt me: 6 | Cryptography | unknown | 45 | 10 |
| 2. | Decode me: 2 | Cryptography | unknown | 62 | 10 |
| 3. | Decrypt me: 7 | Cryptography | unknown | 70 | 10 |
| 4. | Decrypt me: 2 | Cryptography | unknown | 77 | 10 |
| 5. | Decrypt me: 8 | Cryptography | unknown | 82 | 10 |
| 6. | Decode me: 8 | Cryptography | unknown | 97 | 10 |
| 7. | Decode me: 9 | Cryptography | unknown | 117 | 10 |
| 8. | Decrypt me: 5 | Cryptography | unknown | 137 | 10 |
| 9. | Decode me: 5 | Cryptography | unknown | 162 | 10 |
| 10. | Decode me: 4 | Cryptography | unknown | 166 | 10 |
| 11. | Decrypt me: 1 | Cryptography | unknown | 173 | 10 |
| 12. | Decode me: 3 | Cryptography | unknown | 178 | 10 |
| 13. | Decode me: 1 | Cryptography | unknown | 195 | 10 |