Z-Machine - makes playing classic Zork interactive fiction and graphical games possible and easy on Android devices. Currently supports: Zork I: The Great Underground Empire Zork II: The Wizard of Frobozz Zork III: The Dungeon Master Beyond Zork: The Coconut of Quendor Zork Zero: The Revenge of Megaboz Return to Zork Z-Machine is not the games themselves and does not contain or require any ROMs to play. Z-Machine simply provides an interface to the publicly available Internet Archive posting of the streaming version of the games found here: https://archive.org/details/msdos_Zork_I_-_The_Great_Underground_Empire_1980 https://archive.org/details/msdos_Zork_II_-_The_Wizard_of_Frobozz_1981 https://archive.org/details/msdos_Zork_III_-_The_Dungeon_Master_1982 https://archive.org/details/msdos_Beyond_Zork_-_The_Coconut_of_Quendor_1987 https://archive.org/details/msdos_Zork_Zero_-_The_Revenge_of_Megaboz_1988 https://archive.org/details/msdos_Return_to_Zork This requires internet to load the games, but does not use any data after that.