| Challenge | Category | Author | Solved | Score | |
|---|---|---|---|---|---|
| 1. | Stack Minimality | Pwn | Ganbold | 3 | 997 |
| 2. | House of X | Pwn | Ganbold, Myagmartseren | 4 | 994 |
| 3. | MEMeCoPY | Pwn | Ganbold | 4 | 994 |
| 4. | Proof of work | Reverse Engineering | Superior | 6 | 985 |
| 5. | Fancy text | Cryptography | Superior | 8 | 972 |
| 6. | Clash of MD5 | Cryptography | Superior | 9 | 964 |
| 7. | Prime or not Prime | Cryptography | Superior | 9 | 964 |
| 8. | RandCrack | Cryptography | Superior | 9 | 964 |
| 9. | Ghost package | Forensics | Superior | 9 | 964 |
| 10. | Error | Reverse Engineering | ByamB4 | 9 | 964 |
| 11. | Collision finder | Cryptography | Superior | 10 | 955 |
| 12. | Unknown seed | Cryptography | Superior | 10 | 955 |
| 13. | Unknown data | Forensics | Superior | 10 | 955 |
| 14. | Zip service 1 | Forensics | Superior | 10 | 955 |
| 15. | SiuSiuSiu | Forensics | Kul3 | 12 | 934 |
| 16. | Flagaa | Reverse Engineering | ByamB4 | 13 | 922 |
| 17. | Protected by filter | Web | Superior | 14 | 909 |
| 18. | Image viewer | Web | Superior | 17 | 864 |
| 19. | Meme of the day | Web | Superior | 40 | 220 |