Here is the full list of all 20 Noir Chronicles: City of Crime achievements.
Finish all the Minigames without skipping them.
Avenge Barbara's death.
Collect all footprint Collectibles.
Find all Collectibles.
Enter the bank.
Find out the truth.
Rescue Mortimer.
Complete a Hidden Object Puzzle without a mistake.
Complete a Hidden Object Puzzle in less than a minute.
Win a game of cards.
Escape from prison.
Complete 5 Minigames without skipping them.
Confront Victor.
Finish 3 Hidden Object Puzzles in less than 10 minutes.
Finish 3 Hidden Object Puzzles without a Hint.
Convince Conrad of your innocence.
Complete a Minigame in less than a minute.
Complete a Hidden Object Puzzle without a Hint.
Find 3 Hidden Objects within 3 seconds.
Find one Collectible.