Seeking Aid

Soon Halloween and you are in a hurry to get to the coven. It was on this night they will perform the rite of the terrible, which will destroy mankind. You are dressed in a witch, in a hurry in this place. Your route passes through the terrible tunnel. It is very dark and you get lost. You need to carefully explore the area to find the key to the door. There is a door that is closed at the end of each room. Have time to save the world.