Dark Angel Palace Escape description

This is a adventure room escape game.In the mystery old palace,use your brain to explore and solve puzzles .
You have got a diary about the palce of a dark angel. It's said that the dark angel had put the treasure stealing from the god into a secret temple, and no one had found it. Following the clue, you come the temple. When you entering it, the door is close immediately. You can't get out directly. The only chance is to use your brain to uncover the secret of this place, find the right key.