Here is the full list of all 32 The Last Case of Benedict Fox achievements worth 1,000 gamerscore.
Find the first collectible.
Buy the first upgrade.
Fully upgrade one item.
Fully upgrade all the items.
Buy everything from the shop.
Unlock the first anchor.
Unlock all the anchors.
Get the first tattoo.
Clear out the first camp.
Clear out all the camps.
Defeat the Librarian.
Defeat the Mirage.
Rescue the Tattooist.
Defeat the Old Spider.
Defeat the Loneliness.
Defeat Tomás.
Fully upgrade your character.
Listen to all the shellac disks.
Complete the tutorial.
Finish the game.
Jump to the secret place.
Dive into the memories.
Fully unlock the Conundrum Device.
Find all the notes for the Conundrum Device.
Slow an enemy down.
Catch an enemy into a trap.
Use a smoke bomb.
Knock an enemy down with a slide.
Open a kogai door.
Open the 7-element kogai door.
Slam through the floor.
Watch all the cutscenes without skipping them.