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