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FAQ
No. Supply legally obtained files. Never upload BIOS ROMs, game images, or extracted assets to the wiki, issues, discussions, or pull requests.
ISO (2048-byte sectors), BIN (2352-byte sectors), CUE+BIN, CHD (including parent/child), and M3U/M3U8 playlists for multi-disc games.
Yes. v1.3.0 is available on GitHub Releases. There is one bundle per system and architecture (Windows, Linux, and macOS on x64 and arm64), and each bundle contains both the desktop app and the CLI. You can also build from source.
Yes. The downloaded bundles are framework-dependent and require the .NET 10 Runtime installed on your machine. The runtime is not included in the bundle. Get it from https://dotnet.microsoft.com/download/dotnet/10.0.
The .NET 10 SDK is only required to build from source.
The first full sweep covered 594 images. After triage, 593 are loadable/rendered, one
known no-video case remains (Crash 'n Burn Japan), and no not-loadable rows remain.
The library now catalogues 653 games across 1,366 images, including three audio-only
CHDs. This is documented compatibility, not full-library compatibility. See
Compatibility.
Windows x64 is the validated target. Linux x64 passed the full test suite and CLI/frontend smoke tests, with GPU presentation documented as preview/best-effort. macOS x64/arm64 and the arm64 bundles are cross-published and validated by machine type; runtime validation is post-1.0. Raspberry Pi is out of scope.
C# identifiers cannot start with a digit. The solution and namespaces use the
FiveDo prefix.
No. 5DO uses .tdos v3. Versions 1 and 2 remain readable. See
Save states.
No. Diagnostics bundles are local and scrub user paths and account names. See Privacy.
No. 5DO is donationware under the FreeDO modified GNU LGPL. Donations do not grant commercial rights. See Legal.
Use the bug or compatibility issue form with version, OS, renderer, BIOS/disc details, exact steps, and a privacy-scrubbed diagnostics bundle. See Contributing.
5DO is donationware: non-commercial, source-available software under the FreeDO modified GNU LGPL. No BIOS ROMs or game images are distributed. "3DO" and "Panasonic" are trademarks of their respective owners; 5DO is not affiliated with or endorsed by them.