Generation 1/G1 Robots are the very first and the oldest fighting bot in Real Steel. It is said that if the robot look more humanoid, the better they fight. However, there is weakness on these bots, they cannot be controlled by their owners. They will only put the bots in the ring and let the humans out before they let the machines kill each other like a last-man-standing match. The robot who survived is the winner. Then it suddenly change, reprogramming the bots so that they can control it at will.