APL2Apple II · 1985 · Stealth game
Beyond Castle Wolfenstein
Beyond Castle Wolfenstein (Apple II, 1985) has an official source code release.
Data checked 2026-10-12 · unbaked registry
Projects
Beyond Castle Wolfenstein
Source release
Wikipedia: source-available (non-OSI), freeware data; source released 2005 by/for Silas Warner. The reconstructed source code and the ported game was released by Silas Warner's widow in 2005.
What you need
Free game data is included with at least one project.
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GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.