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A starting point
Native ports built from reconstructed matching DOS source, with separate release tags for each game. Supply an installed GOG copy or select its data directory; Linux packages require glibc 2.35+. Browser builds are a separate route.
This summary describes the featured project, not every project in the group. Individual pages explain each project’s differences and sources.
Compare before choosing.
Each project has its own requirements and goals. “Release available” does not guarantee stability or tested compatibility. Open each project page for sources and instructions.
Ultima Underworld / Ultima Underworld II — project comparison
Native ports built from reconstructed matching DOS source, with separate release tags for each game. Supply an installed GOG copy or select its data directory; Linux packages require glibc 2.35+. Browser builds are a separate route.
Windows · Linux · macOS · Other
What to check in the sources
Required original game edition, region and files.
Documented operating system, architecture, dependencies and controls.
Known limitations and differences between releases and test builds.