Cheats
In the menu of extras of the campaign mode, introduce:
G1 Megatron: Below, left (2), below, right (2), above.G1 optimus: down, right, left, up, down (2), left.Infinite ammunition: up, down, left, right, up, up, down.Invincible: left (2), up, left, right, down, right.G1 Jazz: Left, up, down, down, left, up, right.No vehicles on screen: right, left, right, left, right, left, right.OPTIMUS ROBOVISION: Below (2), above (2), right (3).G1 Starscream: right, down, left (2), down, up (2).All missions: down, up, left, right, right (2), up, down.Missions in Cybertron: right, up (2), below, right, left (2).