Here is the full list of all 18 Edna & Harvey: The Breakout - there are Anniversary Edition achievements worth 1,000 gamerscore.
Escape from Edna's cell.
Learn to copy Dr Marcel's signature.
Defeat King Adrian.
Ride the lift to all three locations.
Escape from the asylum.
Forge Edna's house key.
They both shall shine!
Where does Oscar live?
Does this work with the lever? Or the bulletin?
Can I have yours?
Storks will be taken by strange birds!
All tables, all sinks, all Doctor's!
Ban Ki-Moon, the tyre, his blackberries and her wrench.
Where do the dwarves put all the water cups?
And additionally a hand full of furniture!
Captain Useless knows what to do!
Poor man in the moon!