Here is the full list of all 16 Path of Sin: Greed achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Find all the Collectibles.
Solve the case.
Pet or feed all the animals, even if they run away.
Find half of all Collectibles.
Finish 3 Hidden Object Puzzles without using the Hint button.
Henry Bradford has met his end.
Finish a Hidden Object Puzzle with less than 3 mistakes.
Complete 3 Minigames without a Skip.
Mark Spector did not just fall to his death. He was pushed!
Make the first deduction.
Finish the safe-cracking Minigame without a Skip.
Find the first Collectible.
Finish a Hidden Object Puzzle in less than 20 seconds.
Finish a Minigame in less than 30 seconds.
Finish both visions in less than 40 seconds.
Finish all the Hidden Object Puzzles without using the Hint.