The Invader GIRL! Add-on for Groove Coaster has 10 achievements.
Play Invader GIRL! 20 times
Play Invader GIRL! and clear all of SIMPLE, NORMAL and HARD
Play Invader GIRL! and get A Rank in SIMPLE, NORMAL and HARD
Play Invader GIRL! and get S Rank in SIMPLE, NORMAL and HARD
Play Invader GIRL! and get S+ Rank in SIMPLE, NORMAL and HARD
Play Invader GIRL! and get S++ Rank in SIMPLE, NORMAL and HARD
Play Invader GIRL! and get A Rank in EXTRA
Play Invader GIRL! and get S Rank in EXTRA
Play Invader GIRL! and get S+ Rank in EXTRA
Play Invader GIRL! and get S++ Rank in EXTRA