> For the complete documentation index, see [llms.txt](https://faq.deltaemulator.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://faq.deltaemulator.com/using-delta.md).

# Using Delta

- [Pausing](https://faq.deltaemulator.com/using-delta/pausing.md)
- [Save States](https://faq.deltaemulator.com/using-delta/save-states.md)
- [Delta Sync](https://faq.deltaemulator.com/using-delta/delta-sync.md)
- [Controller Skins](https://faq.deltaemulator.com/using-delta/controller-skins.md)
- [Controllers](https://faq.deltaemulator.com/using-delta/controllers.md)
- [Cheat Codes](https://faq.deltaemulator.com/using-delta/cheat-codes.md)
- [Hold Buttons](https://faq.deltaemulator.com/using-delta/hold-buttons.md)
- [Fast Forward](https://faq.deltaemulator.com/using-delta/fast-forward.md)
- [Online Multiplayer](https://faq.deltaemulator.com/using-delta/online-multiplayer.md)
- [Nintendo DS](https://faq.deltaemulator.com/using-delta/nintendo-ds.md)
- [Incompatible Save States](https://faq.deltaemulator.com/using-delta/nintendo-ds/incompatible-save-states.md)
- [Nintendo DS BIOS Files](https://faq.deltaemulator.com/using-delta/nintendo-ds/nintendo-ds-bios-files.md)