Gal*Gun 2 Play as Yuko Yureino
Get the phone number from every girl in the free missions, and then keep playing the free missions to eventually get the “A Spooky SOS from a ghost~ Oooh~” mission. Successfully complete that mission to get Yuko Yureino’s phone number and unlock her.
Panic screen
While playing the game, press Minus at anytime for the old school dating sim to appear, hiding what is on your screen. It also displays your rank on the right.