Frotz is a apps game released in 1997 designed and developed by Stefan Jokisch. Frotz can be described as a full free version game and can be played on the following operating systems: Windows, Mac OSX, Linux, Apple II, Amiga, DOS, Free BSD.
“Frotz is an interpreter for Infocom games and other Z-machine games. It complies with standard 1.0 of Graham Nelson's specification. It was written by Stefan Jokisch in 1995-1997.” - Stefan Jokisch