Battle City 3D is a free Android game developed by rustappdev. It falls under the arcade game category and features a classic game in a new 3D dimension. The game consists of 35 main levels in the classic mode, and upon completion of the 35 levels, they restart with a different set of enemy tanks and faster enemy respawn. The game offers various obstacles and terrain types, including brick and concrete walls, bushes, ice, and water.

Players can upgrade their tanks in four ways, depending on the number of stars they acquire. The game offers four types of enemy tanks, each with varying speeds and strengths. Battle City 3D also offers a special game mode with new bonuses such as a pistol and a ship, and 180 new maps. In this mode, enemy tanks can collect bonuses, and players start with a tank that has one star. Additionally, the game has a multiplayer mode for two players, where players can choose one of two game modes and defend their headquarters from the opponent.

Overall, Battle City 3D offers a classic game with new features and challenges in a 3D dimension.