Game Boy Wars (ゲームボーイウォーズ Gēmu Bōi Wōzu?) is a turn-based war simulator produced by Nintendo and Intelligent Systems that was released for the Game Boy in Japan only in 1991. It is a portable follow-up to the 1988 Family Computer war simulator Famicom Wars, making it the second game in Nintendo's Wars series. A series of sequels to the original Game Boy Wars were produced by Hudson Soft.
