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