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