GalGun: Double Peace is a Japanese bishojo shooting game, serving as the sequel to Gal*Gun. Players step into the shoes of Hodai Kudoki, who finds himself under the effects of an arrow that causes all girls to desire him. The game unfolds with a time-sensitive mission for Hodai to locate his true love interest before the day concludes, or risk losing the chance for love forever.

Set in a unique premise, GalGun: Double Peace combines elements of action and romance, offering players an engaging and time-pressured experience as they navigate through the protagonist's quest to find his destined partner.