Here is the full list of all 23 Ghost Files 2: Memory of a Crime achievements.
Complete a Hidden Object Puzzle without a mistake.
Complete a Hidden Object Puzzle in less than a minute.
Find all Collectibles.
Find all Morphing Objects.
Catch the killer.
Finish all the Minigames without skipping them.
Disable the bomb.
Operate a crane.
Recollect all the lost memory.
Escape the coffin.
Discover the identity of the “Executioner” killer.
Put out the flames.
Find 15 Morphing Objects.
Find 15 Collectibles.
Complete fingerprint forensic analysis.
Complete a Minigame in less than a minute.
Finish 3 Hidden Object Puzzles without a Hint.
Complete your first forensic analysis.
Complete a Hidden Object Puzzle without a Hint.
Find 3 Hidden Objects within 3 seconds.
Recollect one lost memory.
Find one Morphing Object.
Find one Collectible.