The(Nintendo 64 マウス) was an a accessory released for the Nintendo 64DD in Japan . It came bundled with the Nintendo 64DD video game. The user could not buy one separately. It was released alongside the game on December 11, 1999 . The mouse was gray and had the Nintendo 64 logo on it. The player used the mouse in a similar fashion to the SNES Mouse infor the Super Nintendo Entertainment System . The mouse has two buttons.