> For the complete documentation index, see [llms.txt](https://playnetwork.gitbook.io/play-sdk-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://playnetwork.gitbook.io/play-sdk-documentation/v0.12.0/sdk-integration-guides/authentication.md).

# Authentication

- [Unity](https://playnetwork.gitbook.io/play-sdk-documentation/v0.12.0/sdk-integration-guides/authentication/unity.md): Unity integration
- [Unreal](https://playnetwork.gitbook.io/play-sdk-documentation/v0.12.0/sdk-integration-guides/authentication/unreal.md): Unreal integration