Eamon 004 - The Zyphur Riverventure (19xx)(J. Jacobson)[No Boot] ROM Download can be obtained free for Apple II on EmuGames.net only. Play emulator game in English for the USA region. Eamon 004 The Zyphur Riverventure is a Apple II ROM that you can download to your computer or play online within your browser. You can also download roms such as Speed Zone .dsk and Tokyo Game Show '99 Aki Special Taikenban that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.