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An implementation of Frotz running on an iPhone, playing Zork I. Interpreters for Z-code files are available on a wide variety of platforms.

The Inform website lists links to freely available interpreters for 15 desktop operating systems ( including 8-bit microcomputers from the 1980s such as the Apple II, TRS-80 and Sinclair, and grouping " Unix " and " Windows " as one each ), 10 mobile operating systems ( including Palm OS and the Game Boy ), and three interpreter platforms ( Emacs, Java and JavaScript ).

According to Graham Nelson, it is " possibly the most portable virtual machine ever created ".