Mercenary III - The Dion Crisis ROM Download can be obtained free for Amiga 500 on EmuGames.net only. Play emulator game in English for the USA region. Mercenary III The Dion Crisis is a Amiga 500 ROM that you can download to your computer or play online within your browser. You can also download roms such as Contra III The Alien Wars and Need For Speed III Hot Pursuit that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.