Deecy

6.6easy start · #7 of 9
in Dreamcast Emulators

Free to practise onnot on record
Free trialnot on record
Well documentedyes
Runs where you worknot on record

Runs on Linux, Windows.

Visit site Alternatives

Deecy is ranked #7 of 9 in Dreamcast emulators on The Geeks Club. It runs on Linux, Windows.

Compared on Dreamcast emulators

Free plan: Yes
Supported platforms: Windows, Linux
Controller support: Yes
Save states: Yes
Dreamcast BIOS required: Yes

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The record

product type: Deecy is an experimental Dreamcast emulator written in Zig.
operating systems: The official site describes Deecy as an open-source Dreamcast emulator for Windows and Linux.
installation: Users download and decompress an archive, place BIOS and flash dumps named dc_boot.bin and dc_flash.bin in the data folder, then choose their disc-image directory.
disc formats: The command-line interface can load .gdi, .cdi and .chd disc files.
fullscreen and speed: The emulator supports fullscreen toggling and an unlimited emulation-speed mode.
Linux serial integration: The Linux-only --scif option pipes a serial port to /tmp/deecy/scif for dcload-serial prototyping.
DreamPicoPort integration: DreamPicoPort support is available as an optional build dependency and can be disabled with -Ddreampicoport=false.
compatibility: The project maintains a compatibility list and invites users to contribute through a dedicated repository.
known limitations: The README lists unfinished areas including AICA filtering, framebuffer handling, exclusion modifier volumes, and several renderer features.
licensing: The project states that the rest of Deecy is MIT licensed, while MAME data uses BSD-3-Clause and CHD features are based on MAME code.
support: Bug reports are directed to the project's GitHub issue tracker.
funding: The official site asks supporters to make a one-time donation through GitHub Sponsors.
Product: Deecy is an open source Dreamcast emulator for Windows and Linux.
Technology: Deecy is an experimental Dreamcast emulator written in Zig.

Where it ranks on The Geeks Club

Best Dreamcast Emulators in 2026#7 of 9

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Sources

github.com/Senryoku/Deecy/blob/main/README.md· checked 30 Sept 2026
senryoku.github.io/Deecy/· checked 30 Sept 2026
raw.githubusercontent.com/Senryoku/Deecy/master/README.md· checked 1 Oct 2026
github.com/Senryoku/Deecy/issues· checked 1 Oct 2026
github.com/sponsors/Senryoku· checked 1 Oct 2026