The British English version of this game is Robot Slaughterer.

An outpost of humans is facing an attack from a wild army of unpredictable robots, but the battle is not yet finished! The humans have devised an ultimate weapon to combat the robotic invasion - Robot Butcher. Armed with intense firepower, this programmed Robo-butcher is determined to defend humanity against its own inventions. Assume control of this mighty robot and enter into a grand battle to rescue mankind from the rebellious machines. It's up to you to restore harmony in the world!