Transformers Cheats

Codes
Kill all enemies with a single shot Pause the game, then enter the code. You will have to re-enter this code every time you enter a level. Get ThisBy Doing This Kill any enemy with one shot.Square, Circle, Square, Circle, L1, L1, L2, L1

Disable Minicon Overload
At the Autobot HQ screen, where you selection your autobot and mission, enter Get ThisBy Doing This Disables the minicon overload so you can equip any 4 minicons regardless of powerR1, R1, L2, R1, R1, L2, Circle, Circle.

Various Codes
Enter the following button codes during the "Difficulty Select" screen to get the desired results Get ThisBy Doing This Mid Atlantic Level CompleteCircle, Square, Circle, Square, Right, Left, Left, Right Starship Level CompleteLeft, Left, Right, Circle Circle, Right, Right, Left Alaska Level CompleteR1, Circle, R1, Square, Left, Left, Right, Left Earth Level CompleteR2, R1, L1, L2, Square, Circle, Square, Circle Deep Amazon Level CompleteLeft, Right, Left, Left, Right, R1, R2, Circle

Autobot HQ Codes - Enter the following at Autobot HQ:
Infinite stealth (Must have convert minicon equipped) - Up, Up, Down, Down, L1, L2, L1, L2
Infinite Powerlink - Up, Down, Up, Down, Circle, Square, Square, Circle Turbo ModeL1, R2, R2, Square, Square, Square, Square, L1
Big Head Mode - Circle, Circle, Circle, Square, L1, L1, L1, L2

Unloc Fight Unicron
First you need to beat the Pacific islands level, then you need to have gotten a total of 30 minicons. When you do these two things you can go to the Cybertron level where you fight Unicron in his planet mode.

Unlock all Extras
At the main menu, select "EXTRAS" then enter Square,Square, Circle, Square, Square, Circle, L1, L2.