Here is the full list of all 24 The Secret Order 2: Masked Intent achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
Unlock the secret entrance to the museum.
Finish a puzzle without skipping.
Finish a Hidden Object scene in under one minute.
Find three hidden items in three seconds.
Finish a hidden object scene without a hint.
Finish half of the hidden objects scenes without a hint.
Finish all of the hidden object scenes without a hint.
Finish a puzzle in under a minute.
Finish half of the puzzles without skipping.
Finish all of the puzzles without skipping.
Find the legendary ship of the Order of the Griffin.
Travel back in time.
Brew up a healing potion.
Complete the 5 Faces Medallion.
Break out the prisoner.
Open the Gate of Champions.
Defeat the King of Ice.
Defeat the Queen of Fire.
Open the gates of the temple.
Dive into the ocean deep.
Use the Dragon Torch to subdue the dragon.
Arrive at the HQ of the Order of the Griffin.
Explore the secret of the old cannon.
Stop the ritual.