King's Quest IV (1989)(Sierra)(Disk 3 Of 3)[b] ROM Download can be obtained free for Apple II GS on EmuGames.net only. Play emulator game in English for the USA region. King's Quest IV is a Apple II GS ROM that you can download to your computer or play online within your browser. You can also download roms such as King's Field Additional I and King's Quest V that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.