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