> For the complete documentation index, see [llms.txt](https://docs.playground.ooo/degen-engine/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.playground.ooo/degen-engine/overview.md).

# OVERVIEW

- [What is Playground?](https://docs.playground.ooo/degen-engine/overview/what-is-playground.md): Web3's Collaboration Layer
- [Core Features](https://docs.playground.ooo/degen-engine/overview/core-features.md)
- [API Authentication](https://docs.playground.ooo/degen-engine/overview/api-authentication.md)