Successfully complete the indicated task to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", "My profile", "View all my games", then the game and view stats.
- Ghost Town: Complete the game.
- Grim Detective: Use the Tube in the Museum to its full potential.
- James the Zombie Zebra: Use the Zebra in the Museum to its full potential.
- Mass Hysteria: Freak out 5 people at once.
- Next of Kin: Use all 10 ghosts.
- Nine Tenths of the Law: Possess every object at least once.
- Spice of Life: Use every spook on every item.
- Spirit Level: Reach full atmosphere in every building.
- The Final Curtain: Cause 10 window jumpers.
- The Friendly Ghost: Complete the game with no window jumpers.