The Game Boy (Japanese: ゲームボーイ, Hepburn: Gēmu Bōi) is an 8-bit handheld video game device with interchangeable cartridges developed and manufactured by Nintendo, which was first released in Japan on April 21, 1989 (1989-04-21), in North America on July 31, 1989 (1989-07-31) and in Europe on September 28, 1990 (1990-09-28).