Complete each achievement to get the allotted gamerscore.
| Unlockable: | How to unlock: |
| We Came, We Saw... (50) | Complete the game on 'Casual' or 'Experienced' difficulty. |
| Are You A God? (100) | Complete the game on 'Professional' difficulty. |
| Slam Dunk! (15) | Slam dunk a ghost into a trap. |
| Slime Dunk! (15) | Trap a ghost using the Slime Tether. |
| Stasis Dunk! (15) | Trap a ghost using the Stasis Stream. |
| I Ain't 'Fraid of No Ghost! (10) | Trap a ghost. |
| Aim for the Flat Top! (10) | Eliminate a creature. |
| Heat 'Em Up (20) | Purchase all upgrades for the Proton Gun. |
| Mother Pus Bucket! (20) | Purchase all upgrades for the Slime Gun. |
| We be fast! They be slow! (20) | Purchase all upgrades for the Dark Matter Generator. |
| I Don't Want My Face Burned Off (20) | Purchase all upgrades for the Meson Collider. |
| We Have the Tools! (40) | Purchase all available equipment upgrades. |
| The Destructor (30) | Complete the game with more than $3,000,000 in property damage. |
| Nice Shootin', Tex! (30) | Complete the game with less than $100,000 in property damage. |
| ...And You Want to Keep It? (20) | Collect a Cursed Artifact. |
| Spores, Molds, and Fungus (40) | Collect all Cursed Artifacts. |
| I'm Picking Up A Signal... (20) | Obtain a 100% PKE scan on a paranormal creature. |
| Back Off Man. I'm a Scientist (40) | Obtain 100% PKE scans for every paranormal creature. |
| I'm a Ghostbuster, Not a Doctor! (20) | Revive your teammates 20 times. |
| I Feel So Funky (5) | Get slimed by a charging ghost. |
| Total Protonic Reversal (5) | Knock yourself down with your own weapon. |
| You Gotta Try This Pole! (5) | Slide down the fire pole. |
| It's Slime Time (20) | Use the Slime Tether on 15 ghosts. |
| I Looked at the Trap, Ray! (20) | Recover 20 of your own full ghost traps. |
| Kosher! (10) | Remedy a dubious food choice to make the bar mitzvah as orthodox as it can be. |
| I Love You When You Rough-House! (10) | The tidy arcitectural office could use some Proton-based humbling. |
| But the Kids Love Us! (20) | The children's reading room has a story to tell, but it will take more than your eyes to see it. |
| You Never Studied (10) | Keep your ears open to learn everything you can about the Civil War. |
| I've Quit Better Jobs Than This. (20) | Some ghosts had a real blowout in the Coat Room. Clean it up? |
| Hedgebuster (10) | The hedge maze is a real eyesore; do some Protonic pruning. |
| One down, on the Ground! (20) | Airborne coffins are an affront to gravity; use your Proton Pack to avenge Mother Nature! |
| Ghostbusters Drinking Game (40) | Quench your thirst wherever possible to avoid being scared spitless. |
| Loans Paid Off (10) | More than $100,000 earned in Xbox LIVE. |
| On the Payroll (10) | Successfully complete one Xbox LIVE campaign. |
| Egon's Guinea Pig (10) | Use one of every pickup (both power-ups and equipment). |
| Payday! (10) | Be the overall top earner in each Xbox LIVE campaign setting. |
| It's a Living (10) | Trap over 50 ghosts in your Xbox LIVE Ghostbusting career. |
| Wanted! (10) | Defeat three Most Wanted Ghosts. |
| Employee of the Month (10) | Be top earner in each Xbox LIVE job type. |
| No Job Too Big (10) | Defeat all Most Wanted Ghosts. |
| Gozer's Most Wanted (15) | Successfully complete each Xbox LIVE job in every location. |
| Overachiever (15) | Get over $2,500,000 in Xbox LIVE, over 30 post-job awards, 50 jobs completed. |
| We Have the Talent! (20) | Complete the Firehouse training level. |
| The Flowers are Still Standing! (20) | Complete the 'Welcome to the Hotel Sedgewick' level. |
| Once S'more into the Breach (20) | Complete the 'Panic in Times Square' level. |
| Get Her! (20) | Complete the 'Checking Out the Library' level. |
| Ghost Fever Grips New York (20) | Complete the 'Museum of (Super)Natural History' level. |
| Somebody Saw a Cockroach on 12 (20) | Complete the 'Return to the Sedgewick' level. |
| Let Me Guess, Gozer Worshippers (20) | Complete the 'Lost Island Rising' level. |
| Disaster of Biblical Proportions (20) | Complete the 'Central Park Cemetery' level. |
