Entering Cheat Codes
Every cheat code in Transformers: The Game is input at the "New Game" menu screen with the "Campaign," "Bonus Features" and "Options" choices. If a cheat is entered properly, the screen will flash to signify that the code is recognized.
Unlocking Missions and Gameplay Options
Two bonus missions allow you to fight enemies on Cybertron, the home world of the Transformers. To unlock these missions, press Right, Up, Up, Down, Right, Left, Left.
To unlock all missions, including the two Cybertron bonus missions, enter Down, Up, Left, Right, Right, Right, Up, Down.
Give yourself infinite health and become invulnerable by pressing Left, Left, Up, Left, Right, Down, Right.
Unlock unlimited ammunition by pressing Up, Down, Left, Right, Up, Up, Down.
Turn off all traffic, police, and military by pressing Right, Left, Right, Left, Right, Left, Right.
Unlocking New Character Designs
Many playable characters have designs and appearances that can be unlocked in the "New Game" menu.
The standard version of Optimus Prime is the cab of a Peterbilt semi-truck. Two other versions of Optimus Prime that can be unlocked with codes. The Generation 1 version is based on the cartoon character design. Use the code Down, Right, Left, Up, Down, Down, Left. Robo-Vision, the third version of Optimus Prime, has a sleeker look based on the original cartoon-character design. To unlock this character, enter Down, Down, Up, Up, Right, Right, Right.
The Autobot Jazz has two looks. The standard is a 2006 Pontiac Solstice. The second, called Generation 1, is a repainted Solstice. Enter the code Left, Up, Down, Down, Left, Up, Right.
Megatron also has two looks. The standard look lets Megatron change into a Jet. The second resembles the cartoon version of the character and can fly without changing to vehicle mode. Enter Down, Left, Left, Down, Right, Right, Up.
Unlock an alternate version of Starscream's F-22 Raptor. Enter the code Right, Down, Left, Left, Down, Up, Up.