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