Defeating the cement truck Decepticon
When you are fighting the cement truck Decepticon as Ironhide, to knock him down transform and run him over. Then, pick him up and throw him.
Play as Optimus Prime Generation 1 version - Collect all the Autobot Faction Symbols in the Autobot story line.
Play as Robovision Optimus Prime - Successfully complete the Autobot story line.
Play as Starscream Generation 1 version - Successfully complete the Decepticon story line.
Play as Megatron Generation 1 version - Collect all the Transformer Shields in the Decepticon story line.