Here is the full list of all 22 Strangeland achievements.
Talked to all the major characters.
Died every possible way.
The Stranger escaped Strangeland.
The Stranger jumped.
The Stranger killed himself.
The Stranger died fighting.
Got the final knife.
Exited the Hall of Mirrors.
Correctly identified the Young, Middle Age, and Old Strangers.
Reached the Hall of Mirrors.
Got Tooth.
Killed the Crab.
Resisted opening the box.
Gathered all the spirits using the torch.
Persuaded Nineveh to hone Beak.
Opened the box.
Released the Dark Thing.
Lasted as long as Rosencrantz and Guildenstern.
Won the Shooting Gallery on the highest speed.
Heard all the Clown's jokes.
Got Beak.
Starting Out.