Worms - Open Warfare 2 (Mr. 0) ROM Download can be obtained free for Nintendo DS on EmuGames.net only. Play Worms emulator game in English for the USA region. Worms Open Warfare 2 is a NDS ROM that you can download to your computer or play online within your browser. You can also download roms such as Worms World Party and Worms Open Warfare 2 that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.