Here is the full list of all 50 The Hotel 2 achievements.
Start adventure
Check something at first.
Open all the doors in the hotel.
Knew something
Something strange
Check something again
View a monitor in the lobby
Kill some innocent people
Win a number guessing game
Absorb all the flesh
Arrive in the monitoring room
Enter the correct password
Not found by monster
Rummaged through chests
Found a secret passageway
Found a Iron bar
Put all of the dolls on the chair
Open blood drinker's gate
Open the steel gate
Kill blood drinker
Open meat eater's gate
Solve the Puzzle in meat eater's room
Kill meat eater.
Open healer's gate
Turn on the generator
Let the security guard leave
Got Entrance guard card
Kill healer
Use the souls to open the door
Got synthetic blood
Got a new body
Got Driving fluid
Let the little girl family do the right thing
Let the dead body alive
Resurrect New Partners
Found 《The Evil Spirit of Rebirth》
Kill Underground lord
Kill four Soul Crystal
Blood Snake
Kill Rock
Cpmlete dice room
Kill the Clown
Kill the blood hand
Kill the fake little girl
The little girl was caught again
Kill Alice
Unable to leave
Dead in the hotel
Leave the hotel
Finish the game