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.
Stop the ritual.
Finish all of the puzzles without skipping.
Explore the secret of the old cannon.
Finish all of the hidden object scenes without a hint.
Arrive at the HQ of the Order of the Griffin.
Use the Dragon Torch to subdue the dragon.
Dive into the ocean deep.
Open the gates of the temple.
Defeat the King of Ice.
Defeat the Queen of Fire.
Finish half of the puzzles without skipping.
Open the Gate of Champions.
Break out the prisoner.
Complete the 5 Faces Medallion.
Brew up a healing potion.
Finish half of the hidden objects scenes without a hint.
Finish a Hidden Object scene in under one minute.
Travel back in time.
Find the legendary ship of the Order of the Griffin.
Unlock the secret entrance to the museum.
Finish a hidden object scene without a hint.
Find three hidden items in three seconds.
Finish a puzzle in under a minute.
Finish a puzzle without skipping.