- HackTheBox Registry
- HackTheBox Fuzzy
- HackTheBox Mango
- HackTheBox Postman
- 36C3 Telnet Challenge (Cat CTF)
- HackTheBox Obscurity
- HackTheBox OpenAdmin
- HackTheBox Traverxec
- HackTheBox Wall
- The DEFCON 27 Packet Hacking Village Honeypot Challenge
- HackTheBox fs0sciety
- HackTheBox 0ld_is_g0ld
- HackTheBox Sense
- HackTheBox Bashed
- HackTheBox Nibbles
- Performing Well at CodeFEST8
- Some thoughts on the CodeFEST8 in Dresden