Zork I - The Great Underground Empire (USA, Europe) (R52) (C128) (Side 1) ROM Download can be obtained free for Commodore 64 on EmuGames.net only. Play emulator game in English for the USA region. Zork I The Great Underground Empire is a C64 ROM that you can download to your computer or play online within your browser. You can also download roms such as Return To Zork and Grand Theft Auto Vice City Stories that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.