Nintendogs + Cats (ニンテンドッグス＋キャッツ Nintendoggusu + Kyattsu?) is a real-time pet simulation video game for the Nintendo 3DS. It is a sequel to the Nintendogs games for the Nintendo DS systems. It was announced alongside the 3DS during Nintendo's E3 press conference, and is a launch title, being released February 26, 2011 in Japan, March 25, 2011 in Europe and March 27, 2011 in North America and has already been launched in Australia.