Here is the full list of all 20 Black Lotus Motel Playtest achievements.
Escape with at least 40 hours left.
Escape with at least 50 hours left.
Escape with at least 30 hours left.
Free the prisoner.
Drink 20 Macabras in a row... *hip*!
Win the game
Unlock the deepest Motel secret.
Crack a console's password.
Complete a labyrinth challenge.
Complete the balance challange.
Set all masks in their correct positions.
Pass the memory test.
Open a room door from a color lock.
Find all hidden mystery tokens.
Open the Craft Station door manually.
Unlock a door with color switches 10 times.
Solve a jigsaw puzzle.
Unlocked a key.
Unlock a door with color switches 5 times.
Pass the correct symbols.