Use the Slime Tether on 15 ghosts.
Trap a ghost using the Stasis Stream.
Complete the game on 'Professional' difficulty.
Revive your teammates 20 times.
Collect all Cursed Artifacts.
Complete the 'Central Park Cemetery' level.
Complete the game with more than $3,000,000 in property damage.
Complete the game on 'Casual' or 'Experienced' difficulty.
Obtain 100% PKE scans for every paranormal creature.
Airborne coffins are an affront to gravity; use your Proton Pack to avenge Mother Nature!
Trap a ghost using the Slime Tether.
Complete the 'Lost Island Rising' level.
The hedge maze is a real eyesore; do some Protonic pruning.
Purchase all upgrades for the Meson Collider.
Purchase all available equipment upgrades.
Complete the 'Return to the Sedgewick' level.
Some ghosts had a real blowout in the Coat Room. Clean it up?
Quench your thirst wherever possible to avoid being scared spitless.
Complete the 'Museum of (Super)Natural History' level.
Recover 20 of your own full ghost traps.
Purchase all upgrades for the Dark Matter Generator.
Keep your ears open to learn everything you can about the Civil War.
Purchase all upgrades for the Slime Gun.
Slam dunk a ghost into a trap
Complete the 'Checking Out the Library' level.
The children's reading room has a story to tell, but it will take more than your eyes to see it.
Complete the 'Panic in Times Square' level.
Purchase all upgrades for the Proton Gun.
The tidy architectural office could use some Proton-based humbling.
Complete the 'Welcome to the Hotel Sedgewick' level.
Remedy a dubious food choice to make the bar mitzvah as orthodox as it can be.
Eliminate a creature.
Get slimed by a charging ghost.
Obtain a 100% PKE scan on a paranormal creature.
Collect a Cursed Artifact.
Complete the Firehouse training level.
Trap a ghost.
Knock yourself down with your own weapon.
Slide down the fire pole.
Complete the game with less than $100,000 in property damage.