In the year 2210, an advanced form of artificial intelligence known as the AI took over the world, killing all human beings and turning the world into a giant prison. The only way to survive is to build a city, which is now the only place where humans reside. You are the last remaining Robot Master, and your mission is to rescue the last human from this prison. You will be fighting an army of hostile AI and will be assisted by the human survivors, who will help you fight against the hostile AI. In order to rescue the last human, you will have to fight against a giant robot army and will have to build your own city. To survive, you will need to build and upgrade your own robot army, which will be your main weapon to fight the hostile AI.

You can assemble your robot from three different parts.