| Achievement | How to unlock | Points
|
|---|
| 4.50 from California | Start your adventure on the Marine Express. | 90
|
| And Then There Were Three | Find the body of Ms. Marble in her room. | 90
|
| Appointment with the Toilet | Painfully observe Astrid's failure to hold on. | 90
|
| Crooked Truth | Give answers to your peers. | 90
|
| Hope Under the Sun | Read the Epilogue. | 100
|
| Murder on the Marine Express | Complete Chapter 1. | 90
|
| Pigeon Among the Cats | Complete Chapter 3. | 90
|
| The Murder of Lawrence Sheppard | Complete the game. | 90
|
| They Did It Before the Mirrors | Complete Chapter 2. | 90
|
| Time for the Prosecution | Complete Chapter 4. | 90
|
| Two Blind Mice | Meet Christine outside of Sheppard's room. | 90
|