Developer’s description of game: Play interactive fiction on the iPhone. Plays most Infocom titles and other Z-Machine compatible games.
Three prechosen games are available in the installer under Zork Z-Code. They are Zork:_A_Trolles-Eye_view.z5, Zork:_Dungeon.z5 and Zork:_The_Cavern_of_Doom.z5. Below are screenshots of both Frotz and Zork Z-Code and they both are available through the Ste Packaging source: