Play with Generation 1 Skins for Optimus Prime, Starscream, Jazz

Enter codes for each character during one of their missions. This will change the character's appearance to their Generation 1 skin.

Left, Up, Down, Down, Left, Up, Right - Generation 1 Skin Jazz
Down, Down, Up, Up, Right, Right, Right - Generation 1 Skin Optimus Prime
Right, Down, Left, Left, Down, Up, Up - Generation 1 Skin Starscream

Achievements
Complete each achievement to get the allotted gamerscore.

Keeper of the AllSpark (75): There is no Transformer that stands greater than you. You have achieved 100% completion.
Mad Skillz (40): You are skilled beyond belief. Achieved all Skill items on all levels.
Pride of Brawl (15): Your destruction comes naturally as a Decepticon. Achieved full Destruction Skill.
Pride of Bumblebee (60): You've scouted the world thoroughly. All the secret icons have been collected.
Pride of Ironhide (15): You are the epitome of an Autobot. Achieved full Heroic Skill.
Pride of Megatron (20): 200 Autobot Drones have fallen before you.
Pride of Optimus Prime (20): 200 Decepticon Drones have met their match.
Robots in Disguise (25): You've transformed 500 times.
Root of all Evil (15): You take pride in destroying your enemies. Achieved full Evil Skill.
Shot Putter (15): You've sent objects flying. Achieved full Throw Skill.
Sideways Motion (15): You can handle turns with ease. Achieved full Slide Skill.
Speed Demon (15): You've really burned rubber. Achieved full Speed Skill.
Transform and Roll Out (10): You've transformed for the first time.
We Don't Need Roads (15): Who needs roads when you can fly through the air? Achieved full Jump Skill.
What Challenge? (10): You have handled a challenge with ease. Complete your first Challenge sub-mission.
Wrong Way! (15): You're living dangerously. Ram 250 Cars.

Unlockables
G1 Megatron: Collect all the Transformer Shields in the Decepticons story mode.
G1 Optimus Prime (Cartoon Model): Find all the Autobot faction symbols during the Autobot campaign.
G1 Robo-vision Optimus: Finish the Autobot campaign.
Starscream G1 repaint: Complete Decepticon story mode.