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