This achievement is unlocked if all missing passengers are found.

How to get the achievement:
After loading the save, you need to walk a couple of meters forward, you will find the last passenger and the achievement is yours.

Installation:
1. Download the GetClosure.rar archive
2. Move the Slot2 folder from the archive along the path:
C:\Users\[User name]\AppData\LocalLow\SKS\TheForest\[Folder with numbers]\SinglePlayer

Author: WildPhilemonius