| Achievement | How to unlock
|
|---|
| Bookworm | Read All Notes (Secret)
|
| Car Enthusiast | Find and Collect the Car Keys (Secret)
|
| Enter the Morgue | Enter the Morgue (Secret)
|
| Enter the Sewer | Enter the Sewer (Secret)
|
| Find and Unlock Ending 1 | Find and Unlock Ending 1 (Secret)
|
| Find and Unlock Ending 1 | Find and Unlock Ending 2 (Secret)
|
| Find and Unlock Ending 3 | Find and Unlock Ending 3 (Secret)
|
| Find and Unlock Ending 4 | Find and Unlock Ending 4 (Secret)
|
| Going Down? | Enter the Bastment (Secret)
|
| Heaven Awaits | Return the Jesus Statue (Secret)
|
| Illumination | Find and Collect the Flashlight (Secret)
|
| Replace 3 Piano Keys | Replace 3 Piano Keys (Secret)
|
| Screw Master | Collect all Screws
|
| Unlock the Safe | Unlock the Safe (Secret)
|