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

  • The Redream core was authored by inolen.
  • The libretro fork is licensed under GPLv3.

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.

FeatureDocumented status
ScreenshotsSupported
SavesSupported
ControlsSupported
RemappingSupported
RestartNot supported
Save statesNot supported
RewindNot supported
NetplayNot supported
Core optionsNot supported
Memory monitoring (achievements)Not supported
RetroArch cheatsNot supported
Native cheatsNot supported
Multi-mouseNot supported
RumbleNot supported
SensorsNot supported
CameraNot supported
LocationNot supported
SubsystemNot supported
SoftpatchingNot supported
Disk controlNot supported
UsernameNot supported
LanguageNot supported
Crop overscanNot supported
LEDsNot supported
Evidence and publication details

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, 2026

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