1. Press the left and right arrow keys to ambulate. Press the up arrow key to put out the fire. 2. The water volume in the standpipe on the right side of will decrease when releasing water, and you can add water by press the lock gate on the left side. 3. You will score if a flame completely put out. 4. You will be burned if standing still when the flame enhances. 5. The temperature will rise if the flames enhance and touch the floor. Temperature will gradually decrease when no flames touching the floor.