Redream

Redream emulates Sega Dreamcast. It reads 2 files, 2 of them required: without a required file it does not start games.

About this profile

Detail	Value
Type	libretro
Source	https://github.com/libretro/redream
Version	unknown: no revision recorded
Profiled	unknown
Profile	YAML, JSON
Cores	redream
Systems	Sega Dreamcast

Install this emulator's files

The installer finds your setup and its BIOS folder, then downloads only the files this emulator reads there and checks each one.

Windows

Open the Start menu. Type PowerShell and open it. Paste the line. Press Enter.

PowerShell

&([scriptblock]::Create((irm https://abdess.github.io/retrobios/i.ps1))) --emulator redream

macOS

Open Terminal, in Applications, then Utilities. Paste the line. Press Return.

Terminal

curl -fsSL https://abdess.github.io/retrobios/i | sh -s -- --emulator redream

Linux

Open a terminal. Paste the line. Press Enter.

Terminal

curl -fsSL https://abdess.github.io/retrobios/i | sh -s -- --emulator redream

Steam Deck

Switch to Desktop Mode. Open Konsole. Paste with Ctrl+Shift+V. Press Enter.

Terminal

curl -fsSL https://abdess.github.io/retrobios/i | sh -s -- --emulator redream

Android (Termux)

Install Termux, a terminal app. Run pkg install python and termux-setup-storage once. Then paste the line. Press Enter.

Terminal

curl -fsSL https://abdess.github.io/retrobios/i | sh -s -- --emulator redream

On the device

Open a terminal on the device. Or connect from a computer with SSH, a terminal over the network. Paste the line. Press Enter.

Terminal

curl -fsSL https://abdess.github.io/retrobios/i | sh -s -- --emulator redream

Files

2 files: 2 required, 0 optional.

In this collection: 2 in repo and 0 missing.

Required

dc_bios.bin required in repo

• System: Sega Dreamcast
• Destination: dc/boot.bin

• Size: 2.0 MB, SHA1 8951d1bb219a
• Collection copy: bios/Sega/Dreamcast/dc_bios.bin
• Platforms: dc/dc_boot.bin: Batocera, EmuDeck, Recalbox, RetroBat, ROCKNIX. dc/boot.bin and dc/dc_boot.bin: Lakka, RetroArch, RetroPie, RomM. bios/dc/dc_boot.bin: AmberELEC, EmuELEC, RetroDECK. dc_boot.bin: KNULLI

Hashes

• SHA1: 8951d1bb219ab2ff8583033d2119c899cc81f18c
• MD5: e10c53c2f8b90bab96ead2d368858623

dc_flash.bin required in repo

• System: Sega Dreamcast
• Destination: dc/flash.bin

• Size: 128.0 KB, SHA1 94d44d7f9529
• Collection copy: bios/Sega/Dreamcast/dc_flash.bin
• Platforms: dc/dc_flash.bin: EmuDeck, RetroBat, ROCKNIX. dc/flash.bin: Lakka, RetroArch, RetroPie. bios/dc/dc_flash.bin: AmberELEC, EmuELEC. bios/dc/dc_flash.bin and bios/dc/flash.bin: RetroDECK. dc/dc_flash.bin and dc/flash.bin: RomM. dc_flash.bin: KNULLI

Hashes

• SHA1: 94d44d7f9529ec1642ba3771ed3c5f756d5bc872
• MD5: 0a93f7940c455905bea6e392dfde92a4

Next steps

• Get your files, for the setup you play on
• Every system, and the files each one needs
• When a game does not start

Data as of 4 November 2026.