Call Of Duty 4 - Modern Warfare (S) ROM Download can be obtained free for Nintendo DS on EmuGames.net only. Play emulator game in English for the USA region. Call Of Duty 4 Modern Warfare is a NDS ROM that you can download to your computer or play online within your browser. You can also download roms such as Call Of Duty Modern Warfare 3 and Call Of Duty 4 Modern Warfare that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.