Here is the full list of all 20 Escape From Mystwood Mansion achievements.
Escape the Entrance level.
Escape the Office level.
Escape the Wine Cellar level.
Escape the Winter Garden level.
Escape the Library level.
Throw the package.
Add two logs to the fireplace in the office.
Solve the wire puzzle in the office without any "loose ends" of the wire with electricity running through it.
Use the cork from the wine cellar to stop the water flow in the storage room.
Turn the food chain statues before opening the door to the greenhouse.
Flip the blackboard in the greenhouse until it has had enough...
Escape library part 1 in an unconventional way.
Translate the last password of the library from elvish.
Escape the Mansion.
Complete the game without using any hints.
Find the secret in the Wine Cellar.
Clean up in the Winter Garden level.
Deliver the package.
Deliver the package without dropping or throwing it.
Become the overseer.