FUN Instruments Volume 4 (19xx)(-) ROM Download can be obtained free for Apple II GS on EmuGames.net only. Play emulator game in English for the USA region. FUN Instruments Volume 4 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 100-in-1 Contra Function 16 and Simpsons The Krusty's Super Fun House that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.