Here is the full list of all 19 Contract With The Devil achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Spend less than a minute on a mini-game
Complete three mini-games in a row without a skip
Complete all mini-games without a single skip
Spend less than a minute on a hidden object scene
Find three items in three seconds
Complete three hidden object scenes without hints
Make less than five mistakes in a hidden object scene
Complete all hidden object scenes without hints
Make poison
Assemble the projector
Brew the elixir of truth
Return the Treachery vice
Return the Sloth vice
Return the Gambling vice
Return the Anger vice
Return the Envy vice
Return the Greed vice6
Return the Power Lust vice
Complete the revival ritual