Ready or Not

After the exit of the room in which she wakes up , the main character starts on the stairs. 

The first thing she finds is a firearm without ammunition, and as she progresses, she encounters the darkness and the haze around her.

There are  4 rooms doors in the building  that lead to rooms that contain the puzzles,  there is also a security room that must be accessed if you avoid the zombies you find along the way. 

The  security code found on the body of the security building that leads to the diagonal stairs.

You will find ammunition and the car key to leave the parking lot after entering this room.

The 4 puzzles have to be solved in order to open the emergency door leading to the parking  to escape on the  car.

The player has 100 health points that will decrease from 15 to 15 as he is attacked by a zombie, the player has only 3 possibilities when an enemy comes across.