Here is the full list of all 41 FATAL FRAME / PROJECT ZERO: Mask of the Lunar Eclipse achievements.
Upgrade all of the Spirit Stone Flashlight's basic abilities to the highest level.
Clear Final Phase on Hard difficulty.
Obtain the Optimal upgrade.
Collect all notes, diaries, Spirit Radio recordings, and cassette tapes.
Take a photo of all revenants.
Take a photo of all Hozuki dolls.
Take a photo of all wraiths.
Upgrade all of the Camera Obscura's basic abilities to the highest level for Misaki.
Upgrade all of the Camera Obscura's basic abilities to the highest level for Ruka.
Opened Snap Mode for the first time.
Clear Final Phase.
Clear Final Phase on Normal difficulty or below.
Take a photo of all specters.
Execute a special kill 100 times.
Clear Phase XI.
Clear Phase X.
Upgrade the Spirit Stone Flashlight's Lens for the first time.
Clear Phase IX.
Clear Phase VIII.
Clear Phase VII.
Clear Phase VI.
Evade ghost hand 5 times.
Clear Phase V.
Take 10 photos of blossomed wraiths.
Upgrade the Camera Obscura for the first time with Misaki.
Upgrade aCamera Obscura Lens for the first time with Misaki.
Clear Phase IV.
Reach a combo of 3 or higher during Fatal Time.
Upgrade aCamera Obscura Lens for the first time with Ruka.
Upgrade the Camera Obscura for the first time with Ruka.
Clear Phase III.
Upgrade the Spirit Stone Flashlight for the first time.
Attack 3 wraiths at the same time.
Clear Phase II.
Clear Phase I.
Clear Prelude.
Defeat a wraith for the first time.
Unlocked all achievements in "FATAL FRAME/PROJECT ZERO: Mask of the Lunar Eclipse".
Upgrade all Lenses to the highest level.
Clear Final Phase on Nightmare difficulty.
Obtain the highest rank in all missions.