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