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.
Multiple endings? I need to see 'em all.
I hate mini games!
If in doubt - give him a clout!
Droggeljug!
I hear someone singing ...
They don't really have quicktime events in this game, right?
Row, kid! Row for your life!
Even the sun follows my command!
I need more coffee! More!
I think I've been here before ...
That doesn't apply to me.
Aaaargh!
Floating in the summer sky.
Help the old man.
Shibuya power!
Lilli's arms were too short.
How's that supposed to help?
I don't need no tutorial!
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.