Transformers: The Game cheats and cheat codes for Nintendo Wii

Disable traffic, police, or military:
Go to the Campaing menu and press Right, Left, Right, Left, Right, Left, Right.
The only vehicles remaining will be parked. 

Unlimited health:
Go to the Campaing menu and press Left(2), Up, Left, Right, Down, Right.
If the code is accepted, the screen will flash. 

Unlock Extra Cybertron missions:
Press Right, Up, Up, Down, Right, Left, Left at the main menu and start 
through replay missions. If the code is accepted, the screen will flash.

Ammo no reloaded:
Go to the Campaing menu and press Up, Down, Left, Right, Up, Up, Down. 
If the code is accepted, the screen will flash. 

Unlock all missions + two bonus missions:
Go to the Campaing menu and press Down, Up, Left, Right(3 times), Up, Down.
If the code is accepted, the screen will flash. 

Unlock Optimus Prime Generation 1 version: 
Press Down, Right, Left, Up, Down, Down, Left at the "New Game" main menu.
If the code is accepted, the screen will flash. Choose the "Bonus Features" 
then select the "Generation 1" option to play in the new appearance. 

Unlock Robovision Optimus Prime:
Press Down, Down, Up, Up, Right(3 times) at the "New Game" main menu..
If the code is accepted, the screen will flash. Choose the "Bonus Features" 
then select the "Generation 1" option to play in the new appearance. 

Unlock Jazz Generation 1 version:
Press Left, Up, Down, Down, Left, Up, Right at the "New Game" main menu..
If the code is accepted, the screen will flash. Choose the "Bonus Features" 
then select the "Generation 1" option to play in the new appearance. 

Unlock Megatron Generation 1 version: 
Press Down, Left, Left, Down, Right, Right, Up at the "New Game" main menu..
If the code is accepted, the screen will flash. Choose the "Bonus Features" 
then select the "Generation 1" option to play in the new appearance. 

Unlock Jazz Generation 1 version:
Press Left, Up, Up, Down, Left, Up, Right at the "New Game" main menu. 
If the code is accepted, the screen will flash. Choose the "Bonus Features" 
then select the "Generation 1" option to play in the new appearance. 

Unlock Starscream Generation 1 version: 
Press Right, Down, Left, Left, Down, Up, Up at the "New Game" main menu. 
If the code is accepted, the screen will flash. Choose the "Bonus Features" 
then select the "Generation 1" option to play in the new appearance. 

Unlock Optimus Prime Generation 1 version: 
Press Up, Up, Down, Down, Right, Right, Right at the "New Game" main menu. 
If the code is accepted, the screen will flash. Choose the "Bonus Features" 
then select the "Generation 1" option to play in the new appearance. 

Generation 1 Optimus Prime (cartoon model): 
Pick up all the Autobot Faction Symbols in the Autobot story line. 

Generation 1 Megatron:
Pick up all the Transformer Shields in the Decepticon story line. 

Generation 1 Robo-vision Optimus Prime: 
Finish the Autobot story line.