text: Nintendo DS a major upgrade from Game Boy machines SACRAMENTO BEE. NINTENDO has been on top of the handheld gaming market for 15 years. Its various Game Boy machines have sold more than 100 million units since the first model.
inputs: Nintendo DS a major upgrade from Game Boy machines SACRAMENTO BEE. NINTENDO has been on top of the handheld gaming market for 15 years. Its various Game Boy machines have sold more than 100 million units since the first model.