An interpreter for all Infocom and other Z-machine games. Complies with the Z-Machine Standard version 1.1.
Originally written by Stefan Jokisch in 1995-1997. Ported to Unix by Galen Hazelwood. Reference code and Unix port currently maintained by David Griffith.
- Compiles and runs on most common flavors of Unix, both open source and not. This includes macOS.
- Compiles and runs on MSDOS/PCDOS/FreeDOS.
- Compiles and runs on PDP-10 mainframes running the TOPS20 operating system.
- Portable to many other operating systems and hardware.
- Curses, Dumb, and SDL user interfaces.
- Plays all Z-code games including V6.
- Sound support through libao.
- Graphics displayed through SDL.
- Config files.
- User-configurable error checking.
- Distributed under the GNU Public License, version 2 or any later version.
For information on what Interactive Fiction is and how to play it, see the file "HOW_TO_PLAY".
For installation information, see the file "INSTALL".
For information on building for DOS, see the file "INSTALL_DOS".
For information on building for TOPS20, see the file "INSTALL_PDP10".
For update history, see the file "Changelog".
The Frotz homepage is at https://661.org/proj/if/frotz/
The latest information on and source code of Unix Frotz is available at https://gitlab.com/DavidGriffith/frotz
The latest release of Unix Frotz is available from the Interactive Fiction Archive at: http://www.ifarchive.org/if-archive/infocom/interpreters/frotz/ and ftp://ftp.ifarchive.org/if-archive/infocom/interpreters/frotz/
The Interactive Fiction Archive has several mirrors which may be better choices depending on where you live.
- USA: http://ifarchive.jmac.org
- USA: http://ifmirror.russotto.net
- USA: http://ifarchive.smallwhitehouse.org
- USA: http://ifarchive.info
- USA: http://ifarchive.ifreviews.org
- USA: ftp://ifarchive.ifreviews.org
- USA: http://mirrors.ibiblio.org/interactive-fiction/
- USA: gopher://gopher.661.org/1/if-archive