Here is the full list of all 32 The Last Case of Benedict Fox achievements.
Fully unlock the Conundrum Device
Use a smoke bomb
Clear out the first camp
Slam through the floor
Buy everything from the shop
Get the first tattoo
Rescue the Tattooist
Buy the first upgrade
Defeat the Librarian
Unlock the first anchor
Dive into the memories
Find the first collectible
Complete the tutorial
Defeat the Loneliness
Knock an enemy down with a slide
Slow an enemy down
Catch an enemy into a trap
Jump to the secret place
Unlock all the anchors
Open a kogai door
Defeat the Old Spider
Listen to all the shellac disks
Open the 7-element kogai door
Fully upgrade one item
Clear out all the camps
Defeat the Mirage
Defeat Tomas
Fully upgrade your character
Fully upgrade all the items
Finish the game
Find all the notes for the Conundrum Device
Watch all the cutscenes without skipping them