There is a security wall construction game company who has given a contract a joining two cities separated by a river. Before this river construction game people have to pass a whole mountain to pass that river bridge. Now you are a border wall construction engineer and this company assign you difficult job, as you are the best wall construction engineer in the town and know the best how to build the wall. Welcome to real machine world, Now its time to build a security wall or you can say border wall for the ease of people. Get your work done as river bridge construction instructions are given to you. In this city builder construction simulation game you are driving heavy constructions machines like excavator, crane digger, backhoe, dumpers construction truck, painter & road roller etc. Driving these machines are not an easy task in this building tycoon construction world. Building a security wall is very tricky and technical task as it requires proper city builder construction engineering. You will need all the required machines and tools to build a border wall. If you can handle all kinds of river construction machines and drive heavy machines with care than this construction sim game is for you. Drive and enjoy the most sophisticated machines of 2018. Take care of Safety while completing your missions in time. Dare yourself to become part of this heavy machinery mayhem. Once again we bring the fun & thrilling smooth 3D action simulation adventure to you. The border wall was built to separate country from river side. It can also be used as barrier when battle was fought at border. But unfortunately, earthquake erupted and everything was destroyed. There is a dilemma in the whole city for the protection of your land. You can become their savior while constructing this wall which is broken during the earthquake. Now you can become their savior and hero. The task which is assigned to you is to make the border wall again as soon as possible in order to protect your country. In this construction sim your main task it to use all the heavy machinery of city builder game. When you will fullfil the given task you can have the title of the bridge hero.