Here is the full list of all 29 Edna & Harvey: Harvey's New Eyes achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
I hate mini games!
Multiple endings? I need to see 'em all.
Finish chapter three.
Defeat the Mother Superior.
Defeat all Harveys.
That doesn't apply to me.
Droggeljug!
If in doubt - give him a clout!
I need more coffee! More!
Sleep!
Did someone here order a pizza?
I hear someone singing ...
They don't really have quicktime events in this game, right?
Row, kid! Row for your life!
Finish chapter two.
Hoo hoo. Whit woo. Terwit terwoo.
Find the right path.
Justice prevails.
Even the sun follows my command!
I think I've been here before ...
Aaaargh!
Floating in the summer sky.
Shibuya power!
Lilli's arms were too short.
How's that supposed to help?
Finish chapter one.
X marks the spot.
Help the old man.
I don't need no tutorial!