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# Z-Code Story Files
Place your Z-machine story files here. The Z-code narrator engine looks for
`zork1.bin` by default. This can be overridden with the `ZCODE_STORY_FILE`
environment variable.
## Obtaining Zork I
The Zork I story file (`zork1.bin`, also distributed as `ZORK1.DAT` or as a
`.z3` or `.z5` file) is copyrighted by Infocom / Activision. It is not
included in this repository.
You can obtain a legal copy via:
- The **Zork Trilogy** on GOG.com or Steam (includes the original data files).
- The [Internet Archive](https://archive.org/details/Zork_I_The_Great_Underground_Empire_1980_Infocom)
hosts a playable version in-browser; the original data files are part of some
archived distributions listed under the Infocom catalogue.
Once you have the file, rename it to `zork1.bin` and place it in this folder,
or set `ZCODE_STORY_FILE=./path/to/your/file` in your `.env`.
## Supported Formats
The `ifvms` interpreter accepts:
- `.z3`, `.z4`, `.z5`, `.z8` - raw Z-machine story files
- `.zblorb` - Blorb-wrapped story files (may include sound resources)
- Any file with the correct Z-machine header (the extension is ignored)
Zork I is a Z-machine version 3 (`.z3`) game.