Here is the full list of all 37 Last Days of Lazarus achievements.
Find the Sacred Orb
Find the Monastic Invention
Complete Act III
Speak to Father Abraham on the phone
Find Ramona's Tape
Complete Act II
Find the Icon of Christ
Complete Act I
Have a close encounter with Martha
Find the Old Camera
Find a first document
Complete Act IV
Complete Act V
Complete Act VI
Complete Act VII
Complete Act VIII
Finish Last Days of Lazarus
Find 15 documents
Find all the documents
Find the First Phylactery
Find Some Toy
Find the Desomorphine
Find the Baroque Clock
Find the Second Phylactery
Find the Cursed Skull
Find the Third Phylactery
Find the Life Giving Device
Find the Birth Certificate
Find Zhivko's Gift
Find the Holy Reliquary
Find all collectibles
Tried to pet the cat a second time
Cycle through all 3 surveillance cameras
Save a soldier from a horrible death
Interact with Martha in the cemetery
Listen to all radio segments
Listen to all TV news