One day, after class, you were waiting for your parents to pick you up, but your parents haven't picked you up in a while, and there was a man appear, he said he was your parents' friend, your parents were busy, so they want he to help them to pick you up.
In the car, you felt very strange, because this is not the way to your home, and the man said:" Don't worry, this way will faster." and gave you a cup of water. You drank the water, after that, you felt a fit of dazziness.
You woke up in a dirty room, and you was stuck in the room, you were very scared.
Every door need a password to open it, you need to find some clues to get the password. Level 1, you need to answer the question on the computer, after you answer all correct, you can get the password.
Level 2, you need to a find a special flashlight, the flashlight can light up the room, so you can find the question on the wall, the password is the answer of the question.
Level 3, you need to turn off the switch, turn off the switch and the backup power will turn on, and then a piece of music will play, and you need to answer the name of the three pieces of music, and then you can open the door.