The giant drill-robot collapsed, forming a barricade at the room's entrance. With concentrated firepower, we once again pushed the smart robots out of the room. However, it did not take them long to drag the damaged drill-robot out under the cover of an energy shield. Once again, a large opening into our room was available.

The smart robots had been waiting for the opening, and they flooded into the room immediately. We opened fire, creating a rain of tracking bullets and laser beams at the entrance. However, the smart robots had come prepared. The ones running in front were larger than the others. 

With shields in hands, they blocked our attacks. Fortunately, some of our tracking bullets were able to travel around the shields and strike the robots. But after the first robot was felled, the robot behind it immediately picked up the shield and continued...