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

# Concepts

- [Built in content](https://rareitemhunter.gitbook.io/rareitemhunter-remaster/configuration/concepts/built-in-content.md)
- [Gameplay loop](https://rareitemhunter.gitbook.io/rareitemhunter-remaster/configuration/concepts/gameplay-loop.md)