Contraband Police Mobile immerses players in a 1980s communist setting where they take on the role of a border guard inspector. The game revolves around the critical task of combating smuggling activities and identifying irregularities in documents. Players must meticulously verify the accuracy of various documents, as even the smallest error can lead to serious consequences, including turning back vehicles.

In addition to document checks, players are equipped with tools like a UV flashlight to uncover hidden contraband within cars and cargo. As players progress, they can manage and upgrade their workplace, improving buildings and tools to enhance their efficiency in processing more individuals. By earning money and gaining experience, players can rise through the ranks, ultimately restoring the passage to its former glory.