Theta ROM Download can be obtained free for Nintendo DS on EmuGames.net only. Play emulator game in English for the USA region. Theta is a NDS ROM that you can download to your computer or play online within your browser. You can also download roms such as Nemesis 3 The Eve Of Destruction and Lastfortea that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.