Complete the indicated task to unlock the achievement.

Achievement	How to unlock
All Dressed Up and Nowhere to Ghost	Be rejected or reject nine ghosts in a single playthrough.
Body Count	Help a ghost solve their own murder.
Ethereal Pursuit	Get all ghost trivia questions right.
Friday Night Frights	When Riley wants to sing, hear him out.
Hot Date with Some Ramen	Leave speed dating before it even begins.
Polterheist	Be a spectral accessory to a bank robbery.