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