Projects / Frotz


Frotz is an interpreter for playing all of Infocom's text adventures and other Z-Machine games. Frotz complies with Graham Nelson's Z-Machine standard v1.0, and runs well on most flavors of Unix. Use ncurses for best results.

Operating Systems

Recent releases

  •  04 Nov 2002 06:39

    Release Notes: An optional dumb interface was added, which works great with PHP or teletypes, and Unicode and randomization test programs were added to the Z-machine test suite. The documentation was rewritten and proofread. Command recording no longer appends "[999]" to the end of every line. OSS sound now works correctly on *BSD.

    •  22 May 2001 22:28

      Release Notes: The -i option has been reenabled to permit one to ignore ordinarily fatal game errors. Latin1-style quotes are no longer displayed backwards. An idiosyncracy of Infocom's "Journey" was previously mistaken as a bug in Frotz in version 2.40. Status line padding has been modified to allow for screens narrower than 80 columns (like that Linux handheld device). It is now confirmed to compile and run on MacOS X, and includes test zcode programs for torture-testing.

      •  25 Nov 2000 11:28

        Release Notes: This release includes some support for V6 (graphical) games, config files, user-configurable error-checking, default use of the Quetzal save file format, various bugfixes, a license change to GPL, and the Unix port is now maintained by David Griffith.

        •  27 Oct 1999 22:06

          No changes have been submitted for this release.


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