Doomsday: Unlimited Upgrade Mobile City

Wang Cheng traveled through the apocalyptic world. Radiation led to the flood of beasts all over the world. All human beings lived on various floating mobile cities.

[Congratulations to the traversers for awakening the city master system and rewarding a mobile city! Just check in the city and famous attractions, you can choose upgrade rewards]

As a result, a doomsday most luxurious and safe mobile city was born.

[Check-in and punch in the ruins of Shan City, Guangnan Province! Please select the reward]【1 sea water purification system】【2 super power system】

[Sign in to the ruins of the industrial park for the first time, please select. 】【1 Mecha Factory】【2 Mobile City Expansion】

[Sign in to the ruins of the cinema for the first time, please choose. ] [1 Entertainment Center] [2 Film and Television Center]

[Check in and punch in Chao City, Quangnan Province, the second city ruins! Please select the reward] [1 600mm caliber Tachyon Cannon] [2 Unmanned Fighter Factory]

At this moment, countless people all over the world want to immigrate to Donglong Mobile City, this...