Mass Hysteria!
Get all trophies

Spirit Sweeper
Get 1 character to level 5

Apparition Apprehender
Get 1 character to level 10

Ghostbuster General
Get 1 character to level 20

You Must Have a Big Couch
Complete a single level with 4 players

Listen... do you smell something?
Earn 100,000 Ecto

Shiny New Toy
Purchase a single upgrade for any character

"A" is for Apparition
Get an A ranking on a single level

No, You Can't Self-Synergize
Get 25 Co-Op assists in a single level

Some Kind of Glowing Hubcap?
Collect all of Rowans ghostly devices

Captain Quick-Thumbs
Get the 10X bonus on the trapping mini-game

R-r-r-remix!
Complete a single remix level

All Your Ecto are Belong to Us
Earn 500,000 Ecto

Bustin' Makes me Feel Good
Fully upgrade a single character

Ghosts are Real!
Complete the Aldridge Manor level

A Shocking Development
Complete both Wavering Hills Asylum levels

Life's a Witch
Complete both St. Lou's Cemetery levels

It's a Series of Tubes
Complete both 13th St. Station levels

Pier Pressure
Complete both Queen Charlotte levels

Back off Man, I'm a Scientist
Fully upgrade all 4 characters

Who You Gonna Call!
Get all 4 characters to level 20

I Love This Town!
Earn A rankings on all levels

How Low Can You Go?
Complete Limbo level