The complete edition of Gal*Gun 2 contains all previously released downloadable content in one package depending on the version you purchase.
21 costume sets to dress up the girls around the school in the outfit of your choice: Ripped Uniform, Cunning Kunoichi, Wedding Dress, Sakurazaki Squad 777, Sexy Ribbons, Festival Time, Bunny Kigurumi, Chinese Dress, Maid Uniform, Courageous Hero, Bewitching Sorceress, Revitalizing Cleric, Captivating Dancer, Queen of Pain, Shrine Maiden, Blast From the Past, You’re a Squid Now, Summer Vacation, Hidden Desire, Prisoner of Love, and Bear Kigurumi.