A free app for Android, by Y8.
Epic Robo Fight is an action game with an open-world setting. The game is based in the future, where mankind is forced to live in underground cities because of an invasion of hostile robots. The hero is a driver who must assemble a robot from available parts and defeat the enemy.
The gameplay is divided into several chapters, each of them has its own story and its own ending. The game has a sandbox-style open world that is divided into different regions. You can freely move around the world and interact with its various objects, such as vehicles, weapons, tools, and other objects that you can find. You can also find an underground city that is inhabited by hostile robots.