Here is the full list of all 48 The Church in the Darkness achievements.
Find and talk to your nephew Alex.
Find and talk to Preacher Isaac in his chapel.
Find and talk to Preacher Rebecca in her chapel.
Talk to Billie about Freedom Town.
Find Ernest's Photo and return it to Billie.
Meet Charles on the firing range.
Find the evidence and deliver it to Charles.
Meet KeeAnne by the river.
Find the evidence KeeAnne wants.
Meet Scooter and hear his story.
Free Scooter from his cage.
Meet Theresa on the playground.
Find the children's address for Theresa.
In a single playthrough, visit all the chapels.
In a single playthrough, read all the messages written in sticks.
Find the secluded "pits" area.
Find the medical facility in the woods.
Find the empty grave.
In a single game, stand on all the stages, cross all the bridges, and survive for an hour.
Get to the end of one story.
Get to the end of ten stories.
Finished a game with all the different preacher personalities.
Finish a game without anyone dying (during or after).
Finish a game without being spotted at all.
Finish a game in fifteen minutes or less.
Finish a game on "Spy" or greater difficulty.
Finish a game on "Mole" difficulty.
Finish a game without ever having a gun in your inventory.
Started ten stories.
Get Isaac & Rebecca's location marked on your map.
Find all five pins in one playthrough.
Find ten documents in one playthrough.
Find thirty documents in one playthrough.
In a single game, wear all the disguises.
In a single game, fire all the guns.
Do three of any takedown.
Do twenty of any takedown.
Distract three guards with rocks.
Distract thirty guards with rocks.
Stick someone up and search them.
Stick up and search ten people.
Get captured and hear from Isaac.
Get captured ten times.
Hide someone in a trunk/closet/shed.
Hide twenty people in trunks.
Get the alarm set off twenty times.
In a single game, destroy ten alarm boxes.
In a single game, free five people from cages.