Here is the full list of all 33 Perception achievements.
Got the key from the good Doctor
Used the telescope
Best damn bartender
What we do in life...
Found 2 Poppets in Chapter 1
Found 2 Poppets in Chapter 2
Found 2 Poppets in Chapter 3
Found 2 Poppets in Chapter 4
Found every poppet
Found out what happened to the animals
Found all touchstones in Chapter 1
Found all touchstones in Chapter 2
Found all touchstones in Chapter 3
Found all touchstones in Chapter 4
Found every touchstone
Turn around…
Found Kirby
Completed Chapter 1
Completed Chapter 2
Completed Chapter 3
Completed Chapter 4
Completed every chapter
Found Nanci Chang's takeout menu
Listened to every Dearest Pinky song
Found 5 backer letters
Found backer recording
Listened to all of Cassie's messages
Is it going to get old?
Got every other achievement in the game
Found Susanna's sanctum
Never captured by The Presence
Completed without tapping
Completed the game on Scary Mode