| Achievement | How to unlock
|
|---|
| A Walk in the Park (10 points) | Complete the prologue.
|
| Dark Skies (60 points) | Complete Chapter 5.
|
| Down the Helter-skelter (80 points) | Complete Chapter 7.
|
| Into the Woods (20 points) | Complete Chapter 1.
|
| Journey to the Centre (50 points) | Complete Chapter 4.
|
| Reunited (100 points) | Complete Samsara.
|
| Survive the Ghost Train (90 points) | Complete Chapter 8.
|
| The Descent (40 points) | Complete Chapter 3.
|
| The End of Suburbia (70 points) | Complete Chapter 6.
|
| Tree of life (30 points) | Complete Chapter 2.
|
| Upside Down (20 points) | Complete a level inversed.
|