- STACK the Flags 2020 - Keep the Clouds Together... Cloud Challenge
- STACK the Flags 2020 - Hold the Line! Perimeter Defences Doing It's Work! Cloud Challenge
- STACK the Flags 2020 - Share and Deploy the Containers Cloud Challenge
- BugPoC November 2020 XSS Challenge
- Gynvael Coldwind's May 2020 Web Security Challenges