> For the complete documentation index, see [llms.txt](https://0xten.gitbook.io/public/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://0xten.gitbook.io/public/inctf/2021.md).

# 2021

## Challenges

{% content-ref url="/pages/-MhAFsxIbaOoQ8-r-WlV" %}
[Ancient House](/public/inctf/2021/ancient-house.md)
{% endcontent-ref %}