Changes

Level 4 - '''Four passengers''' if the house stands on the square covered by '''all three''' zones '''and is electrified'''. AlsoAs added boost, activated Luxury upgrade '''shortens''' (by one 1) the number of [[Game tick|'''game ticks''']] for passenger generating in each house standing in Level 4 zone. <br/>Also, house on level 4 starts new process. It will generate 1 unit of '''[[Garbage]]''' [[File:icon waste.png|16px|link=Garbage]] alongside the passengers.