Here is the full list of all 11 Escape First 3 achievements.
You don't care for money, you are a hunter
Complete the Secret Inheritance
No one is even looking at each other
Complete the Keep of Lost Souls
Complete the Abandoned School
Solve the turning tables puzzle in 5 clicks or less
Find the witch hunters' hiding place before it is revealed to you
Grab all rats in the room
Unlock the cabinet like a true barbarian
Go directly to the correct room on the 2nd floor
Complete the 2nd floor's extra puzzles