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