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