Here is the full list of all 63 Angels with Scaly Wings achievements.
See your first ending.
See Remy's bad ending.
See what lies beneath the mask.
Do well on the second investigation.
Interrogate Damion.
Bring Remy's books into the correct order.
Do well on the first investigation.
Learn a lot about fruits.
Drink a mysterious liquid.
Read a bunch of books.
Order the daily special.
Give Anna your blood.
Take a dragon dose of medication.
Waste a perfectly good batch of eggs.
Refuse to help Bryce 99 times.
Wait for Remy until you get bored.
Answer Anna's questions correctly.
Reject Bryce's invitation.
Get Adine to remove her headgear.
Beat Sebastian at his own game.
Acquire the bloody bandage.
Find a handful of dirt.
Appreciate the landscape.
Find a mysterious orb.
Look at everything the store has to offer.
Look at Remy's pictures.
Look at Anna's envelope.
Stretch your legs.
Examine Bryce's blanket.
Look at Bryce's magazine.
Listen to a bunch of music.
Meet with Emera.
Acquire a map.
Find a mysterious base.
Play a prank on Bryce.
Help Katsuharu.
Interrogate Anna.
Follow Vara.
Go to the portal.
Do well on the third investigation.
Do well in all investigations in a single playthrough.
Keep the seashells.
Meet with Katsuharu.
Return the eggs to the hatchery.
Assemble the sphere.
Meet with Kevin.
Decide not to meet anyone or investigate 10 times.
Skip ahead 10 times.
Have two messages waiting for you at the same time.
Do a thing.
See the neutral ending.
See Remy's good ending.
See Anna's bad ending.
See Anna's good ending.
See Lorem's bad ending.
See Lorem's good ending.
See Bryce's bad ending.
See Bryce's good ending.
See Adine's bad ending.
See Adine's good ending.
See the evil ending.
See your first good ending.
See the true ending.