idle working : build together

"You are now the mayor of the underground idle city, and various city facilities are waiting for you to build!
Upgrade equipment to build a smarter city!
Hire a supervisor and automatically collect gold coins for you!
Expansion of the industry, the opening of various stores is up to you!
Creating a city is at your fingertips!
Features:
· Become the mayor and manage your city.
·A variety of scenes for players to choose.
·Multiple administrators share worries with the ""mayor"".
·The shape of the equipment changes as the level increases.
·Automatically make money and expand the scale of the city.
·You can also get benefits offline, and your wealth will not stop 24 hours."