Here is the full list of all 32 Layers of Fear 2 achievements.
Witness all three endings
Succumb to madness
Bring all the mysterious items to your cabin
Bring all the movie posters to your cabin
Follow direction during the second key scene
Listen to all the phonograph interviews
View all the photo slides in your cabin
Spot everything through the spyglass
Disobey the Director
Decrypt a mysterious item
Save all the lost souls
Ignore direction during the fourth key scene
Follow her direction during the third key scene
Complete the clock puzzle without a single mistake
Spot something through the spyglass
Ignore direction during the first key scene
Send out an SOS
Obey the Director
Rebuild what was once broken. At least try.
Take your first look behind the mysterious door
Follow direction during the fourth key scene
Seal the Formless Man in a coffin
Journey through space without hitting a single obstacle
Follow his direction during the third key scene
Destroy something beautiful
Ignore direction during the second key scene
Follow direction during the first key scene
Get through the set without getting caught in the lights
Find your first movie poster
Begin shooting your movie
Find your first photo slide
Use the phonograph