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