Redream is a work-in-progress Sega Dreamcast emulator written in C for macOS, Linux and Windows. The libretro fork of the core is used inside RetroArch to run Dreamcast software. This guide summarizes the official documentation for the core and is not a hands-on tested walkthrough.
Core author and license
Documented feature support
The documentation lists the following support status for core features. Features marked as unsupported should not be relied upon when planning a setup.
What is not supported
- The documentation marks these as unsupported: restart, save states, rewind, netplay, core options, memory monitoring for achievements, RetroArch cheats, native cheats, multi-mouse, rumble, sensors, camera, location, subsystems, softpatching, disk control, username, language, crop overscan and LEDs.
What is documented as supported
According to the documentation, the core supports screenshots, saves, controls and remapping. The source description also indicates the documentation covers BIOS files and controls for the core.
The core documentation is described as covering Sega Dreamcast BIOS files. Readers should check the current official documentation for the specific BIOS files required and where they are expected to be placed, as this summary does not reproduce per-file instructions.
Reference table · Scroll horizontally to see all columns.
| Feature | Documented status |
|---|---|
| Screenshots | Supported |
| Saves | Supported |
| Controls | Supported |
| Remapping | Supported |
| Restart | Not supported |
| Save states | Not supported |
| Rewind | Not supported |
| Netplay | Not supported |
| Core options | Not supported |
| Memory monitoring (achievements) | Not supported |
| RetroArch cheats | Not supported |
| Native cheats | Not supported |
| Multi-mouse | Not supported |
| Rumble | Not supported |
| Sensors | Not supported |
| Camera | Not supported |
| Location | Not supported |
| Subsystem | Not supported |
| Softpatching | Not supported |
| Disk control | Not supported |
| Username | Not supported |
| Language | Not supported |
| Crop overscan | Not supported |
| LEDs | Not supported |
Sources & references
Content responsibility: FrameTinker editorial desk. Source authors and software maintainers are credited separately below; this is not a claim of hands-on testing.
Published .
RetroArch: redream — official gaming software documentation https://raw.githubusercontent.com/libretro/docs/master/docs/library/redream.mdRetrieved Oct 27, 2026Something doesn’t match your setup?
Suggest a correction
