You will need the and Model Editor . These are often included in the game's directory or can be downloaded from Frictional Games .

If you have a .zip file for a and want to "generate" it in your game:

The community on the Amnesia Wiki provides extensive guides on scripting (using HPS files) and level design. 3. Accessing the Source Code

Open the custom_stories folder. Extract your .zip file into a new subfolder here.