Here is the full list of all 20 Black Lotus Motel achievements.
Crack a console's password.
Unlocked a key.
Pass the correct symbols.
Solve a jigsaw puzzle.
Pass the memory test.
Solve the mask puzzle.
Complete the balance challange.
Complete a labyrinth challenge.
Unlock the deepest Motel secret.
Stop the world from extinction.
Unlock a door with color switches 5 times.
Unlock a door with color switches 10 times.
Unlock a room door from a color lock.
Find all the hidden 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*!