The Xand-Roid Add-on for Groove Coaster has 6 achievements.
Play Xand-Roid 20 times
Play Xand-Roid and clear all of SIMPLE, NORMAL and HARD
Play Xand-Roid and get A Rank in SIMPLE, NORMAL and HARD
Play Xand-Roid and get S Rank in SIMPLE, NORMAL and HARD
Play Xand-Roid and get S+ Rank in SIMPLE, NORMAL and HARD
Play Xand-Roid and get S++ Rank in SIMPLE, NORMAL and HARD