> For the complete documentation index, see [llms.txt](https://kos0ng.gitbook.io/ctfs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kos0ng.gitbook.io/ctfs/ctf-author.md).

# CTF author

- [2025](https://kos0ng.gitbook.io/ctfs/ctf-author/2025.md)
- [2024](https://kos0ng.gitbook.io/ctfs/ctf-author/2024.md)
- [2023](https://kos0ng.gitbook.io/ctfs/ctf-author/2023.md)
- [Gemastik Quals](https://kos0ng.gitbook.io/ctfs/ctf-author/2023/gemastik-quals.md)
- [Reverse Engineering](https://kos0ng.gitbook.io/ctfs/ctf-author/2023/gemastik-quals/reverse-engineering.md)
- [2022](https://kos0ng.gitbook.io/ctfs/ctf-author/2022.md)
- [2021](https://kos0ng.gitbook.io/ctfs/ctf-author/2021.md)