Bill's adventure: Alien war

Bill's adventure: Alien war takes place in a futuristic world where robots and humans lived in peace and harmony, until aliens extinguished all human life, leaving only the robots, starting an interplanetary war. Bill, one of the robots, has the objective to invade and dominate the alien planet to stop the war, everyone thinks this idea is silly, making Bill follow his objective alone. Help Bill reach and dominate the aliens' planet!