Cheats for Transformers: The Game

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.
Jazz G1 Repaint	Complete all of the "challenge" sub-missions in both autobot and decepticon campaigns.
Starscream G1 repaint	Complete Decepticon story mode.

G1 Megatron	D L L D R R U
G1 Prime	D R L U D D L
Generation 1 Skin Jazz	L U D D L U R
Generation 1 Skin Optimus Prime	D D U U R R R
Generation 1 Skin Starscream	R D L L D U U
Infinite Health - Invincible	L L U L R D R
No Ammo Reload	U,D,L,R,U,U,D
No Military or Police	R L R L R L R
Unlock All mission including 2 special mission	D U L R R R U D
Unlocks the two Cybertron missions.	R U U D R L L