Full list of all 32 FAITH: The Unholy Trinity achievements.
The base game contains 30 achievements, and there is 1 DLC pack containing 2 achievements.
Finish Marathon Mode, good endings only, without dying once.
Find all endings in Chapter III.
Collect all notes.
Get run over by the Airdorf truck at least once in all three chapters.
Find all Chapter II Prologue endings.
Get the top score in the Chapter II Prologue.
Defeat Gary?
Finish the Unholy Trinity.
Investigate the daycare.
Go into the belly of the Beast.
Investigate the apartments.
Investigate the clinic.
Die 100 times.
Find all endings in Chapter II.
Finish the Chapter II Prologue.
Finish Chapter I Flashlight Mode.
Finish Chapter I Lantern Mode.
Survive the nightmare.
Enter the hidden sanctum.
Enter the Candy Tunnel.
Reach the basement of Snake Meadow Hill Church.
Solve the riddle of Gallup Cemetery.
Discover Father Garcia's backstory.
Find all endings in Chapter I.
Reach any ending of Chapter I.
Find and defeat the secret boss of Chapter I.
Finish what you started?
Come face-to-face with Amy.
Enter the house once again.
Die for the first time.
Finished a Survival Mode run.
Unlock Survival Mode.