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